I need help with these three questions someone help me please what are these shapes called

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

How to solve a simultaneous equation involved with fractions?

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