isabella bought a dvd for $19.95 and 5 cds at a cost of c each. write an expression to represent how much she spent.

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)