Sally can paint a room in 9 9 hours while it takes steve 4 4 hours to paint the same room. how long would it take them to paint the room if they worked together?

In the following equations, a and b are equal. Which number could be substituted for both a and b to make both equations correct? 15x0=-36+a 24x8x0=36-b a.-36 b. 51 c. 36 d.-51

1/4X^2 - 3/4X^2 = 0 Solve each equation. Factor and use the zero product property to solve. Show all work algebraically.

About 142 million people in the united states watch online videos. If 51.12 watch comedy, jokes and bloopers, about what percent of viewers watch comedy?

A large jar of coffee and a small jar weigh 750 grams altogether. If 2 of the jars and 3 of the small jars weigh 1750 grams altogether, how much does each kind weigh?

At the bookstore, Tim bought a magazine for $4, and five books that all cost the same amount. He spent a total of $129. Which equation expresses how much each book cost? A. x = 129-4 B. 5x - 4 = 129 C. 5x + 4 = 129 D. 4x + 5 = 129

Draw a diagram using positive an negative tiles for this equation: -5 - (-7) = 2

Which of the following relations is not a function? A. (-7, 4), (2, 3), (-1, 1), (7, 2) B. (7, 4), (-1, 2), (2, 1), (-7, 2) C. (2, 4), (-1, 2), (2, 1), (-7, 2) D. (-1, 4), (2, 2), (7, 1), (-7, 5)

Ivan and Tanya share £150 in the ratio of 4:1 how much more does ivan have than tanya

Which numbers are solutions to the inequality x < - 7, using the replacement set {-15, - 10.5, - 7.2, - 7, 0}? Choose all answers that are correct. A. -7 B. -7.2 C. -10.5 D. -15

Consider the function below. x - 1 0 1 2 f (x) - 2 3 8 13 Which of the following functions could be the inverse of function f?