Name an everyday situation that requires problem-solving skills.

Circle the letter of each simple sugar. a. glucose b. sucrose c. fructose d. starch

Rationalize the following lattice energy values:

$$\begin{matrix} \text{Compound} & & \text{Lattice Energy (kJ/mol)}\\ \hline \\ \begin{array} { l } { \text { CaSe } } \\ { \mathrm { Na } _ { 2 } \mathrm { Se } } \\ { \text { CaTe } } \\ { \mathrm { Na } _ { 2 } \mathrm { Te } } \end{array} & & \begin{array} { l } { - 2862 } \\ { - 2130 } \\ { - 2721 } \\ { - 2095 } \end{array} \end{matrix}$$

Simplify: 4.315 ÷ 5

Use elimination to solve the system of equation. 8x + 3y = -7, 7x + 2y = -3

find Pk+1 for the given Pk. Pk=3/(k+2)(k+3)

Marilyn earns $150 per month delivering newspapers plus$7 an hour babysitting. If she wants to earn at least $300 this month, how many hours will she have to babysit?

At a restaurant your bill is $12.37. You want to leave a 20 percent tip. You estimate 20 percent by moving the decimal point over one place, rounding to the nearest tenth, and then doubling that amount. How much tip should you leave?

Simplify.

$$\frac { u ^ { 2 } - u - 2 } { u ^ { 2 } + u }$$

Solve the equation by cross multiplying. Check for extraneous solutions. 6/x-1=9/x+1

Find the domain of each function. f(x) = 3(x - 4)

Two circular loops of wire, each containing a single turn , have the same radius of 4.0 cm and a common center. The planes of the loops are perpendicular. Each carries a current of 1.7 A. What is the magnitude of the net magnetic field at the common center?

Write each equation in its equivalent exponential form.

$$3 = \log _ { b } 27$$

A triangle is enclosed by the following lines:

$$\left.\begin{aligned} x - y & = - 1 \\ y & = 2 \\ - 0.4 x - y & = - 5.2 \end{aligned} \right.$$

What are the coordinates of the vertices of the triangle? Use algebraic methods to justify your answers.