Simplify
2(sqrt m^2) if m≥0

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

What is the value of x when x + 7 = 21?

Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2