91Ó°ÊÓ

In the following exercises, simplify each expression.

$9-3\left|2\left(2-6\right)-\left(3-7\right)\right|$

Translate the English phrase into an algebraic expression:

a. the difference of 14x² and 13

b. the quotient of 12x and 2

c. 13 more than z

d. 18 less than 8x

In the following exercises, simplify each expression. $5-2\left|2\left(1-4\right)-\left(2-5\right)\right|$

In the following exercises, simplify each expression. ${\left(-3\right)}^2-24÷\left(8-2\right)$

In the following exercises, simplify each expression.

${\left(-4\right)}^2-32÷\left(12-4\right)$

Simplify$23r+14s+9r+15s$

In the following exercises, evaluate each expression.

$y+\left(-14\right)$when

(a)$y=-33$

(b)$y=30$

In the following exercises, find the prime factorization.

627

Is 3,765 divisible by (a) 2? (b) 3? (c) 5? (d) 6? (e) 10?

In the following exercises, evaluate each expression.

$x+\left(-21\right)$when

(a) $x=-27$

(b)$x=44$