Find the volume of the given project in order to determine the number of feet of concrete needed. round answers to the nearest whole number when necessary.
a driveway that is 30 feet long, 18 feet wide, and 4 inches thick.
a.
180 cubic ft.
c.
2,160 cubic ft.
b.
311,040 cubic ft.
d.
25,920 cubic ft.

  A.

Step-by-step explanation:

Given: A driveway that is 30 feet long, 18 feet wide, and 4 inches thick.

We know that  1 foot = 12 inches

Therefore, 4 inches =

We know that the volume of a rectangular prism is given by :-

Now, the volume of rectangular prism is given by :-

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.