A retailer marks up the price of a coffee mug from $6.25 to $8.77. By what percent did the price increase? (A) 28.73%
(B) 39.68%
(C)40.32%
(D)45.97%

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

What are the coordinates of the point is 1/4 of the way from a (-6, -3) to b (6, 1)? a. (-3, -2) b. (0, -2) c. (-1, 0) d. (3, 2)