Question

Help me please!! SOS!!

Answer 1

Perimeter= 54
Area=162
Cost=648

Answer 2

1a.

P = 2(L+W) = 2(9+18) = 2(27) = 54
answer 
P = 54 ft

1b.

A = LxW = 9x18 = 162 ft^2
answer
162 ft^2

1c.

$4 x 162 = $648
answer
it will cost $648