Chapter 1: Variables, Expressions and Integers

Evaluate the expression when$x=4\text{and}y=2$

localid="1648624612275" $3x-2y$

Evaluate the expression when $p=12 \text{and} q=15$.

9. $p + q$

Evaluate the expression when x = – 9.

x + 3

Gridded Response Evaluate the expression $5·d\text{when}d=6$to find the cost (in dollars) of buying 6 posters when each poster costs $5.

Sewing You are making a beanbag footstool in the shape of a cube with an edge length of 50 centimeters. In order to fill the footstool with plastic beads, you need to know its volume. Find the volume of the footstool.

Find the product or quotient. (pp. 751, 752)

$27.88÷8.2$

Evaluate the experssion when $m=5\text{and}n=6$
localid="1647947788101" $n-m$

Tell whether the product or quotient is positive or negative.

– 98 ÷ (– 2)

Evaluate the expression k⁴ when k=6.

Evaluate the expression when $a=-18\text{and}b=-3$.

$a+b+30$