Anna has $12.00 and saves $4.00 each week. The equation represents how much money she will have saved, s, after w weeks. s = 4w + 12

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie