Simplify
$3x+14y-7\(\left\)(-x+2y\(\right\))$

Evaluate the algebraic expression when $x=4$ and $y=-5$.

$2y-x\(\left\)(3+y\(\right\))$

Evaluate the algebraic expression when $x=-3$ and $y=2$.

$x\(\left\)(20-15y\(\right\))-\(\left\)|2x+y\(\right\)|$

Simplify

$-3\(\left\)(5-x\(\right\))+10-7x$

Simplify

$-13+4x+x\(\left\)(9-x\(\right\))$

Evaluate each expression for p=-4, q=8, and r=-10. -p² -7q +r²

Answer each question. If the lengths of the sides of a cube are tripled, by what factor will the volume change?

Simplify each expression. $\(\frac{10}{11}\) (22z)$

Simplify each expression. (3/4r)(-12)