Simplify: $(2-\sqrt{x+4})^2$

Determine whether the given value of x is in the domain of the rational expression.

$$\frac{x+5}{x^2-9} ; x=-3$$

Match the description, labeled A to J, with a suitable example.

A. $x^3 y+x y$

B. $7 x^2+5 x-11$

C. $\frac{1}{2} x^2+x y+y^2$

D. $4 x y$

E. $8 x^3-1$

F. $3-4 x^2$

G. 8

H. $3 x^5-4 x^2+7 x-11$

I. $8 x^4-\sqrt{5} x^3+7$

J. 0

A monomial of degree 2

Find the GCF of the expressions.

$9 x^2 y^3$ and $12 x y^4$

Evaluate $2 x^3-4\left(3 x y-z^2\right)$ for $x=-2, y=3$, and $z=-4$.

Classify each number as one or more of the following: integer, rational number, irrational number, real number, prime number, composite number.

3

Determine the real part and the imaginary part of the complex number 12 - 17i

Determine whether the given value of x is in the domain of the rational expression.

$$\frac{x+5}{x^2-9} ; x=-3$$

Evaluate expression.

$$-5^3$$

Find the GCF of the expressions.

$9 x^2 y^3$ and $12 x y^4$

For real numbers a, b, and c, identify the property that is illustrated by (a + b)c = ac + be.