Ipromise brainlist 20 ! suppose you are building a brick border for a garden by stacking rows of bricks on top of each other. if the height of each brick is 2.5 inches and r represents the number of rows, which algebraic expression would represent the height of the brick wall?
(1 point)
a.)2.5 + r
b.)2.5r + r
c.)2.5
d.)2.5r