Apool charges $4 each visit, or you can buy a membership for $100 for 3 months. write and solve an inequality to find how many times a person should use the pool so that a membership is less expensive than playing each time.

If i have one apple and give you the apple, how many apples do i have?

The perimeter of △cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.

Find the area of the trapezoid a. 150 ft^2 b. 300 ft^2 c. 45 ft^2 d. 75 ft^2