Percentage of the different pet people own: If the total of homes with a pet is 400, the number of homes with a pet cat is:

30
120
160
400

(pls explain how to do it so that I don’t have to rely on this app all the time)

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?