Answer: b, 12
explanation: combine -3/2 * x and u get -3/2x. then isolate the variable by doing the inverse of subtraction on both sides. (add 9 on both sides). then do the inverse of multiplication on both sides. (divide by -3/2 on both sides)
Step-by-step explanation:
2.5_3.5x=8_4x_6
_3.5x=0.5_4x
_7.5x =0.5
x=_7.5÷0.5
Answer: 31 degrees
Vinyl is = 15 in. * 33 in. = 495 in.²