Factor by grouping: x^3+2x^2−6x−12. Which of the following is one of the factors? A) (x^2−6x)
B) (x^2−6)
C) (x^2+2)
D) (x−2)

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

An angle that measures between 90 and 180° is called a(,

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?