Answer:
area = 132 cm²
Step-by-step explanation:
area of rectangle = 7 x 12 = 84
area of one triangle = 8 x 6 x 0.5 = 24
total area = 84 + 24 + 24 = 132 cm²
x+3x=2+2
4x=4
x=1
$40.60
hi
for example
in the second one you should multiple 5 and 1 then add 4