Describe what the values of $C$ and $k$ represent in the exponential growth and decay model $y=C e^{k T}$.

A well-insulated turbine operating at steady state develops 28.75 MW of power for a steam flow rate of 50 kg/s. The steam enters at 25 bar with a velocity of 61 m/s and exits as saturated vapor at 0.06 bar with a velocity of 130 m/s. Neglecting potential energy effects, determine the inlet temperature, in $^{\circ}C$.

Most of the following sentences contain an incorrect form of a modifier. Draw a line through each incorrect modifier. Then, above it, write the correct form. If a sentence is already correct, write C after it.

Examples

1. The quarterback didn’t feel $\overset{\textit{\color{#c34632}{well}}}{\sout{\text{good}}}$, so he rested all weekend.

2. If a player doesn’t practice $\overset{\textit{\color{#c34632}{faithfully}}}{\sout{\text{faithful}}}$ enough, he or she won’t be ready for the game.

If a lecture is real negative, some players might not respond well.

The data shows the number of hours different players practice basketball each week and the number of baskets each player scored during a game.

Alan - 5 hours Practiced - 6 baskets

Brenda - 10 hours Practiced - 11 baskets

Caleb - 7 hours Practiced - 8 baskets

Shawna - 2 hours Practiced - 4 baskets

Fernando - 0 hours Practiced - 2 baskets

Gabriela - 21 hours Practiced - 19 baskets

a. Find an equation for a line of best fit Round decimals to the nearest tenth.

b. Interpret the meaning of the slope and y-intercept

c. Find the correlation coefficient

Select the letter of the word that is the closest in meaning to the first word.

retaliation:

(a) narration

(b) restatement

(c) revenge

Above each of the following items, write $C$ if brackets are used correctly or $I N$ if they are used incorrectly.

Example 1. Referring to the "American dream," the writers assert that "The Great Gatsby by F. Scott Fitzgerald [1896 $\overset{C}{-}$ 1940] mirrors both its failures and its promises."

10. I also pointed out that the Great Depression [of the 1930s] extinguished some of this optimism.

What number do you need to add to

$$x ^ { 2 } + \frac { 7 } { 2 } x$$

in order to create a perfect square trinomial? Explain.

The Alejandro family has a square yard with an area of 175 square feet. If they want to cover the yard with 1-foot long paving stones, what is the greatest number of whole stones they can place along one side?

Leveled Practice In , write equivalent expressions.

$2.2 x+2.2$

The first four ionization energies in $\mathrm{kJ} / \mathrm{mol}$ of a certain second row element are $900,1757,14,849$, and 21,007 . What is the likely identity of the element?

For each person or object below, choose among the characteristics in parentheses. Indicate your preference.

1. avoir une copine (amusante, mignonne, intelligente)

2. avoir un professeur (gentil, intelligent, amusant)

3. avoir des voisins (sympathiques, intéressants, riches)

4. avoir une voiture (moderne, confortable, rapide)

5. avoir une calculatrice (japonaise, américaine, fran$\c{c}$aise)

6. avoir une montre (suisse, japonaise, fran$\c{c}$aise)

7. diner dans un restaurant (italien, chinois, fran$\c{c}$ais)

8. regarder un film (intéressant, amusant, intelligent)

9. travailler avec des personnes (gentilles, amusantes, sérieuses)

10. faire un voyage avec des gens (amusants, riches, sympathiques)

Choose the letter of the word that is the closest in meaning to the first word.

retaliation: (a) narration, (b) restatement, (c) revenge

A building is 80 feet high. An observer stands an unknown distance away from the building and, looking up to the top of the building, notes that the angle of elevation is $52^{\circ}$. Determine the distance from the base of the building to the observer.

Carefully cut the manipulative provided into three lengths: 4 cm, 5 cm, and 10 cm. Now build a triangle using the three pieces for its sides. Next, cut manipulatives to build a triangle with sides of 5 in., 2 in., and 9 in. Compare your triangles. Are they congruent? What do you notice?