Find the diameter of the circle with the given circumference. use 3.14 for pi
C=23 cm

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Find the area of a parallelogram with base 15 yards and height 21 2/3

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?