3x + 3y = - 9

3x - 3y = 21

If m squared minus 5 over 2 m equals negative 11 over 2 what does m equal

Tommy and his wife went to the store and bought groceries there's some total was $143.50 if the sales tax was 8% what was the total amount they paid for groceries

Mention rational numbers which are less than 5

5 and 5x+20 then simplify

What is 99:99+7:4 12

Gloria is making teddy bears. She is making boy and girl bears. She has enough stuffing to create 50 bears. Let x represent the number of girl bears and Y represent the number of boy bears.

Tile costs $28 per square meter. how much will it cost to cover the counter top with new tile? (4.36 square meters)

What are the solutions of the equation? c2 - 10c = 0 A. 1, B. 0, - 10 C. 0, D. 0, 10

What is the best description of an isolated system?

Two exterior angles of a triangle measure 135° and 100°. What are the measures of the interior angles of the triangle?