Answer:
1.5 cubic ft
Step-by-step explanation:
The answer is 1.5 feet because the formula for the volume of a rectangular prism is lxhxw so 1.5 multiplied by 2 equals 3 and 3 multiplied by 0.5 equals 1.5
The first picture is 72 ft²
y=ax+b
then
-9= -9a+b
0= -6a+b
a=3 and b=18
y=3x+18