M varies jointly as q and r. One set of values is m = 86.4, q = 9, and r = 12. Find m when q = 20 and r = 6.5.

Joshua drinks 8 cups of water a day. The recommened daily amount is given in fluid ounces. How many fluid ounces of water does he drink each day?

Erik made an error in his homework. He said that 3x + 12 + 4x2 - 3 is equivalent to 7x + 9. What is the correct way for Erik to fix his error? A) He should combine 12 and 3 to get 15. B) He should combine 3x and 4x² to get 7x3.

Round 15.6895 to the nearest tenth A) 15.7 B) 15.6 C) 15.68 D) 15.69

Jasmine invests $1500 in an account that earns an interest rate of 4% compounded continuously. How much money will she have in 4 years? (round to the hundredth place)

Jan can type 61.3 words per minute. How many words can she type during a 15-minute test

Subtract X from 3x-1

Find an equation for the linear function which has f (150) = 1500f (150) = 1500 and f (650) = 3900f (650) = 3900

Mrs. Warren is playing a crazy game of Monopoly with her son Ethan. In order to land on Boardwalk she will need double sixes. What is the probability as a percent that she will roll two sixes?

What is the y-intercept? f (x) = - 2x2 + 4x - 6

Iris is a saleswoman whose base pay plus commissions amounted to $69,464 last year. If her base pay was $39,710 and she made $78,300 in sales last year, what was her rate of commission? A. 51% B. 38% C. 57% D. 89%