91Ó°ÊÓ

Is the equation \(-2(4-x)=2 x-8\) an identity? Explain why or why not.

Name two pairs of inverse operations.

Explain the difference between a rate and a ratio.

Describe six ways to transform an equation into an equivalent equation.

In Exercises 3 and \(4,\) school buses that hold 68 people will be used to transport 377 students and 65 teachers. Write and solve an equation to find the number of buses needed.

Write a formula that describes the side length \(s\) of a square as a function of its perimeter \(P.\)

You started with some money in your pocket. All you spent was \(\$ 4.65\) on lunch. You ended up with \(\$ 7.39\) in your pocket. Write an equation to find how much money you started with.

Find the unit rate. \(\$ 2\) for 5 cans of dog food

Solve the equation. Round the result to the nearest hundredth. Check the rounded solution. $$ 2.69-3.64 x=8.37+23.78 x $$

Solve for the indicated variable. Volume of a Rectangular Prism Solve for \(h: V=\ell w h\)