Oceanside bike rental shop charges $12 (base price) plus $9 an hour for renting a bike. melanie paid $93 dollars to rent a bike. how many hours did she pay to have the bike checked out

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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.

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170