Juan has c cheesecakes. clarence has 5 less than 3 times as many cheesecakes as juan has and darlene has 2 more than half as many cheesecakes as clarence has. find an expression in terms of c for the total number of cheesecakes juan, clarence, and darlene have.

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?