Which correctly explains the number of solutions of the following system of linear equations?-3x+3y=12y=x+4

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14