Two weeks ago Audrey earned $84 for 7 hours of work. This week, she earned 132 for 11 hours of work. Find the numerical value of the slope of the line.

How do you do mean absolute deviation

scores on a test have a mean of 67 and a standard devation of 10. michelle has a score of 87. convert michelle score to a z-score?

Sage and Tom started the month with the same number of talk minutes on their cell phones. Sage talked for 7 minutes with her dad. Tom talked for 4 minutes with a friend and 3 more minutes with his mom.

If I you have to mix a gallon of liquid solution 3 parts water and 1 part alcohol, how much alcohol do you mix in?

Which function equation is represented by the graph. a) f (x) = 50 (1.5) ^x B) f (x) = 50 (1.8) ^x. C) f (x) = 50 (2.8) ^x D) f (x) = 50 (2.25) ^x

What is 2x-3y=1 Y=x-1

A data research company finds that monthly sales of hard disks in California is 1.445 million units on average with a standard deviation of 45,000. What is the z-score corresponding to 1.500 million units? A. 0.055 B. 0.889 C. 1.22 D. 32.11

Given: Quadrilateral ROSE is trapezoid with median If MN = 24 and RO = 30, then ES =

If the slope of line l is x, and the slope of line m is x+2, and l⊥ m, what is x?

120 calories in 2 servings; 360 calories in 6 serving