Twenty five more than twice a number is fifty five. What is the number?

In each bouquet of flowers, there are 2 roses and 3 white carnations. complete the table to find how many roses and carnations there are in 2 bouquets of flowers.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup