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

Abcd is a square. what is the measure of angle bac

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels