Simplify the algebraic expression 7x^2 + 6 x - 9 x - 6 x^2 + 15

Which way shows how to make a ten to find 12-4?

Michael and Levin ran laps after school to train for the football team. The ratio of the number of laps Michael ran to the number of laps Levin ran was three to four. If Michael ran 12 laps, how many laps did Levin run?

Sales tax and purchase price: suppose the sales tax rate in a certain state is is 8% how much sales tax is charged on a new car if the purchase price is $11,900?

If a figure is a square, than it has at least two right angles.

Which expression have a value - 7

Melissa's father is 194 cm tall. He is 79 cm taller than Melissa. How tall is Melissa?

Solve the system y = 3x + 2 and 3y = 9x + 6 by using graph paper or graphing technology. What is the solution to the system? A. (3, 2) B. No Solutions C. (9, 2) D. Infinite Solutions

What is 240,000,591 divides by 176

Solve 3x2 18x 15 = 0 by completing the square. a. 3 (x 3) 2 = 6; x = - 3 square root 2, x = - 3 - square root 2 b. 3 (x 9) 2 = 12; x = - 11, x = - 7 c. 3 (x 3) 2 = 12; x = - 5, x = - 1 d.

A pillow that usually cost $18 is marked down 25% what is the markdown and what's the new price