21 Which equation is equivalent to 2 x + 4? A x + x + 1 + 1 + 1
B 1 + 1 + 1 + x
C x + x + x + x
D
+ x +4

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Which of the following values have 3 significant figures? check all that apply. a. 10.1 b. 100.05 c. 120 d. 129

Hdtv screens usually have a width-to -height ratio of 16: 9. which screen dimensions are in the same proportion?