91Ó°ÊÓ

To prepare for Section \(2.3,\) review evaluating algebraic expressions (Section \(1 . \overline{8})\) Evaluate. $$3-5 a, \text { for } a=2$$

The perimeter of a rectangle is \(101.74 \mathrm{cm} .\) If the length is \(4.25 \mathrm{cm}\) longer than the width, find the dimensions of the rectangle.

The second side of a triangle is \(3.25 \mathrm{cm}\) longer than the first side. The third side is \(4.35 \mathrm{cm}\) longer than the second side. If the perimeter of the triangle is 26.87 \(\mathrm{cm},\) find the length of each side.

To prepare for Section \(2.3,\) review evaluating algebraic expressions (Section \(1 . \overline{8})\) Evaluate. $$12 \div 4 \cdot t, \text { for } t=5$$

Each serving of Baked! Lay’s® Original Potato Crisps contains 15 calories of fat. This is \(83 \frac{1}{3} \%\) b less than the fat content in Lay's Classic potato chips. How many calories of fat are in a serving of the classic potato chips?

Solve using the addition and multiplication principles. $$ 3(2 y-3) \geq 21 $$

To prepare for Section \(2.3,\) review evaluating algebraic expressions (Section \(1 . \overline{8})\) Evaluate. $$7 x-2 x, \text { for } x=-3$$

Solve using the addition and multiplication principles. $$ 3(t-2) \geq 9(t+2) $$

Solve for \(x .\) Assume \(a, c, m \neq 0\) $$ m x=9.4 m $$

To prepare for Section \(2.3,\) review evaluating algebraic expressions (Section \(1 . \overline{8})\) Evaluate. $$t(8-3 t), \text { for } t=-2$$