I PROMISE BRAINLIST 20 PTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 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