a rectangular ceiling is covered with square tiles. The ceiling is 40 tiles long and 30 tiles wide. in all, how many tiles are there

area = length x width

length = 2 x width

32 = 2 x width x width

32 = 2 x width^2

36 = width ^2  

width = 6

length = 12

area is 32

perimeter = 2 x 12 + 2 x 6 = 24 + 12 = 36

step-by-step explanation:

ome people is not even worth it to even try it in the air.

step-by-step explanation:

20days louise can read300 pg

step-by-step explanation:

1 day 15 pg 300: 15= 20

x day 300 pg