What is the surface area of a cube that has a side length of 8 mm? Use the formula is S A = 6 s squared, where SA is the surface area of the cube and s is the length of each side.

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.