20 i really need on if you are typing finish

The semicircle has diameter 18 ft, so it has radius 9 ft, and this is the height of the rectangle.

The area of the shaded region is (area of rectangle) - (area of semicircle).

The area of a circle with radius is , so the area of a semicircle with the same radius is , and in this case that's .

The area of the rectangle is .

Then the area of the shaded region is

step-by-step explanation:

ok one would be money, and the other would be refreshments or something similar. if each bag of popcorn is 5.00 and each drink is half of that that means drinks are 2.50 the proper way to do that would to look and see how much of each you can buy without exceeding a limit of 30.00

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.