Adam purchased some items at the school store. He bought 3 pencils for $0.15 each and 5 single- subject notebooks. If these items cost a total of $6.45, what was the cost of the notebook?

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)