3a 2 + 2a - 7 into 27a 4 + 18a 2 - 2a + 42

there are 15 rafts available for people to use on the adventure river ride. each raft holds 12 people. the park runs this ride 3 times each hour. how many people can ride the wild river in 1 hour if all of the rafts are used and each raft is full?

I an a 2 digit product one of my digits is the same as one of my factors 8 the other digit doubled is 8 what product am I?

How do I solve r+11+8r=29

The length of a certain rectangle is 15cm more than three times its width. If the perimeter of the rectangle is 94cm, what is the area.

Which shows that a graph is shifted 4 units to the left and then 2 units up? A) f (x+4) + 2 B) f (x-2) - 2 C) f (x+2) + 2 D) f (x-4) - 2

Xy+yz=10 solve for y

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 18 miles per hour faster than the eastbound train.

Enguun earns $17 dollars per hour tutoring student-athletes at Brooklyn University a. If Enguun tutored for 19.5 hours last month, how much money did she earn last month?

One side of a triangle is twice another. The third side is 8 inches and the perimeter of 26 inches. How long is each side?

A new sidewalk will be 6 feet wide, 100 feet long, and filled in a debt of 9 inches with concrete. How many cubic yards of concrete are needed?