What is the value of y, z,x​

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet

Can someone me with my math problem pls my teacher is on my back about this