Acafeteria has 9 round tables and 18 regular tables if each round table has 12 chairs and each regular table has 26 chairs how many chairs are in the cafeteria

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Which inequalities can be used to find the solution set of the following inequality? check all that apply. |2x – 5| (2x – 5) (2x + 5) –(2x – 5) –(2x + 5)

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.