Chapter 1: Problem 30
Evaluate the expression. $$7[(18-6)-6]$$
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Evaluate the expression for the given value of the variable. (Review 1.2) $$9 b^{2} \text { when } b=8$$
The area A of a trapezoid with parallel bases of lengths \(b_{1}\) and \(b_{2}\) and height \(h\) is \(A=\frac{1}{2} h\left(b_{1}+b_{2}\right)\) Find the area of a trapezoid whose height is 2 meters and whose bases are 6 meters and 10 meters. (GRAPH CANNOT COPY)
EQUATIONS AND INEQUALITIES Match the verbal sentence with its mathematical representation. The fourth power of \(x\) is 16
Evaluate the expression for the given value of the variable. $$ \frac{9}{b} \text { when } b=4 $$
You are shopping for school supplies. A store is offering a \(10 \%\) discount on binders and a \(20 \%\) discount on packages of paper. You want to buy 5 binders originally marked $$ 2.50\( each and 10 packages of paper originally marked $$ 1.30 each. a. Write an expression that shows how much you will save after the discounts. b. Evaluate the expression. c. Writing If you have $$ 25\) to spend on supplies, how much money will you have left over? Explain how you arrived at your answer.
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