Find the angular magnification of a telescope that has a $100 \mathrm{~cm}$-focal length objective and a $2.50 \mathrm{~cm}$-focal length eyepiece.

For $2004$ through $2008$, Coca-Cola annual operating revenues and net incomes were as shown below.

$$\begin{array}{ccc} \text { Year } & \begin{array}{c} x=\text { Operating } \\ \text { Revenue } \end{array} & \begin{array}{c} \boldsymbol{y}=\text { Net } \\ \text { Income } \end{array} \\ \hline 2004 & \$ 21.74 \text { billion } & \$ 4.85 \text { billion } \\ 2005 & 23.10 & 4.87 \\ 2006 & 24.09 & 5.08 \\ 2007 & 28.86 & 5.98 \\ 2008 & 31.94 & 5.81 \end{array}$$

Determine the least-squares regression line and interpret its slope. Estimate net income if the operating revenue is $30 billion.

Two refracting telescopes are used to look at craters on the Moon. The objective focal length of both telescopes is $95.0 \mathrm{~cm}$ and the eyepiece focal length of both telescopes is $3.80 \mathrm{~cm}$. The telescopes are identical except for the diameter of the lenses. Telescope A has an objective diameter of $10.0 \mathrm{~cm}$ while the lenses of telescope B are scaled up by a factor of two, so that its objective diameter is $20.0 \mathrm{~cm}$. a) What are the angular magnifications of telescopes $A$ and $B$ ? b) Do the images produced by the telescopes have the same brightness? If not, which is brighter and by how much?

n each of the following sentences, circle any letter that should be capitalized and draw a slash (/) through any letter that is capitalized but should not be. Example: $\text{\textcircled}{\text{n}}$igetl enjoys stories about $\cancel{\text{T}}$he $\cancel{\text{L}}$egendary $\text{\textcircled}{\text{k}}$ing Arthur of $\text{\textcircled}{\text{b}}$ritain and his knights the letter I found in my Great-Grandmother's papers began, "my dearest mimi."

Determine whether the statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement.

The polynomial $16 x^2+20 x+25$ is a perfect square trinomial.

According to data obtained from the CBO, the total federal debt (in trillions of dollars) from 2001 through 2006 is given by $f(t)=5.37 e^{0.078 t}$ $(1 \leq t \leq 6)$ where t is measured in years, with t= 1 corresponding to 2001. What was the total federal debt in 2001? In 2006?

Choose the interrogative word from the word bank that best completes each sentence and write it in the space provided.

Quiero saber __________ esta la iglesia.

*cual *cuantas *donde *quien *por que

The subjunctive mood of a verb states a wish or a condition contrary to fact. The subjunctive is also used in $that$ clauses of recommendation, resolution, command, or demand. The subjunctive form appears in - Certain forms of the verb to $be$ - the present is $be$ and the past is $were$- The third-person singular of other verbs, usually used without the final $s$\Condition Contrary to Fact: If you were me and I were you ... I wonder what we should do! (form of to be)\That Clause of Command: Paul's mother insisted that he stop rocking. (third-person singular without $-s$ )\Practice Identify the correct verb for given sentence.
"It had seemed for a moment as if the housemaster (was, were) going to laugh".

What is the basic particle of an element called?

We thought we'd have to build a doghouse ourselves, but fortunately we found one that was _______. a. excavated b. annexed c. cloistered d. prefabricated

Rodrigo practiced playing the guitar

$$15\frac{1}{3}$$

hours over the past 3 weeks. He practiced for

$$6\frac{1}{4}$$

hours during the first week and

$$4\frac{2}{3}$$

hours during the second week. How much time did Rodrigo spend practicing during the third week? Use the numbers and symbols to write an equation that represents the problem. Then solve the equation. Symbols may be used more than once or not at all.

$$15 \frac { 1 } { 3 }$$

$$6 \frac { 1 } { 4 }$$

$$4 \frac { 2 } { 3 }$$

$$\times$$

$$=$$

$$+$$

Practice time during third week: ______ hours.

Choose the correct description of the skin condition.

_______ urticaria

a.an autoimmune skin condition

b.skin cancer that can develop from a mole; the most serious form of skin cancer

c.another name for hives

d.skin lesion caused by a shallow scratch

e.another name for a skin boil

f.a virus-caused skin cancer that sometimes develops in immune-deficient individuals

Kim-Ly Vanh's bank granted her a single-payment loan of $2,580 for 90 days at 12% ordinary interest. What is the amount of interest? A.$127.44 B. $77.40 C.$87.54 D. $98.12

Find the number of subsets and the number of proper subsets for each set. {x|x is a month that begins with the letter J}