Mike went shopping at the Nike outlet in Rehoboth Beach, DE. There is no additional sales tax in the state of Delaware. He bought 5 T-shirts for $15 each and 2 pairs of shorts. If his total was $125, how much did each pair of shorts cost?
a. $75 c. $25
b. $50 d. $12.50

Which expression is equivalent to 2x^2+7x+4?

Need on this geometry question. explain how you did it.

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.