Which algebraic expression is equivalent to the expression below?
12x+4-4x
A. 8(x + 1)
B. 4(2x - 1)
C.4(2x + 1)
D. 4(x + 1)
help...

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

If square root x = -7, then x= -49 true or false

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%