Which of the following shows two equivalent expressions? A) 3(x - 4) and 3x – 4
B) 2(x + 5) and 2x + 10
C) 3(2x + 6) and 6x + 9
D) 4(2x - 6) and 6x - 24

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?