Find the solution set for the system of equations.
9x + 5y = 28
5x + 9y = 56

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?