Match each expression to its simplest form
(6r+7)+(13+7r)
(13 - 3/2 r) - (1 - r)
(-8 - r) + (2r - 4)
(7r - 3/2) -(2/3 + 6r)

12 - 1/2 r →
r - 13/6 →
13r+20 →
—12+r →

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a