Choose the equivalent expression. 0.6x -4.8 + 3x -1.2x + 8.4 A. 1.2(2x + 3)
B. -0.6x + 4.8
C. 1.2(4x + 3)
D. 3x + 3.6

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish

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