What is 6 divided by 271

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.