Which equation below shows a correct first step for solving 3x = -12 A 3x+ 3 = -12 + 3
B 3x- 3 = -12 - 3
C 3(3x) = 3(-12)
D 3x/3=-12/3

Can someone pls ! pls answer all. no explanation needed..

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4