A building in the shape of a rectangular prism needs to be painted. Some facts about the building are shown below. • The building has a width of 50 feet, a length of 80 feet, and a height of 120 feet.
• There are 60 windows on each lateral face of the building.
• Each window is a square measuring 5 feet on a side.
Using this information, which expression represents the total lateral surface area, in square feet, that needs to be painted?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point

because that’s us why