91Ó°ÊÓ

Simplify. $$ -|-29| $$

Evaluate \(x-y\) for the given replacement values. $$ x=9 \text { and } y=-2 $$

Simplify. See Examples 1 through \(10\). $$ \frac{10(-1)-(-2)(-3)}{2[-8 \div(-2-2)]} $$

Add. $$ -16+6+(-14)+(-20) $$

Multiply or divide as indicated. See Examples 1 through 14. $$ -30(6)(-2)(-3) $$

Evaluate \(x+y\) for the given replacement values. $$ x=-20 \text { and } y=-50 $$

Evaluate. $$ |-x| \text { if } x=-6 $$

Evaluate \(2 x-y\) for the given replacement values. $$ x=4 \text { and } y=-4 $$

Simplify. See Examples 1 through \(10\). $$ -3[5+2(-4+9)]+15 $$

Evaluate \(x+y\) for the given replacement values. $$ x=-1 \text { and } y=-29 $$