What is the answer to -12+k/-4=8 explain

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Evaluate the expression. (9 + 5)(3 + 2)0

Which of the following describes the symmetry of the graph of y = x3?