Question

Help please brainly is the reward

Answer 1

Step-by-step explanation:

A. First know that

$rectangle \: area \: = \: len \: \times width \: \\ = 12ft\times 18ft \\ = 216 \: ft ^{2}$

$sq \: area \: = ( one \: side)^{2} \\ = (13ft)^{2} \\ = 169ft^{2}$

Expression

$cost \: = 169(3.50) + 216(3.50) \:$

B.

$1347.50