Brody roller blades 4 miles in 20 minutes. What was his speed in miles per hour?

What is the solution of the system? Use substitution. y=-3x x + y = - 4 A. (-2,-6) B. (2, - 6) c. (2,6) D. (-2, 6)

What is 15/16 minus 12/16

X=5 2X+10=? I want to know what the answer is if x equals 5 so what is 2X plus 10

The total number of eggs, T, collected in one day from a chicken coop is proportional to the number of chickens, C, in the coop.

One number is 8 times a first number. a third number is 100 more than the first number. If the sum of the three numbers is 420, find the numbers

Lee buys 5 DVD's for $60. At this rate, how much woukd he bay for 3 DVDs? A:$10. B $30 C:36. D:$58

Show that - 1.808 is a rational number.

Explain in words how to change a fraction to a percent

There are 3 strawberry ice creams, 4 chocolate ice creams, and 7 vanilla ice creams on a tray. barbara selects 2 ice creams at random without replacement. what is the probability that she selects 2 chocolate ice creams?

Sandy works at a store that sells clothing accessories. The supply function for scarves is P = Q-9, where Pis the price and Q is the quantity of scarves. If Sandy sells the scarves for $12 apiece, how many scarves will the store supply?