Solve the system of equations 2r + 2s = 50 and 2r - s = 17: A. R = - 8, s = 33 B. R = 25, s = 33 C. R = 14, s = 11

D. R = 3, s = 11

At the beginning of school, we had 40 algebra books. We increased our supply by 65%. How many algebra books does the school have now?

Johanna graphed the number of calls she made during one day. How many calls were made before 6 p. m.?

Evaluate: log16^64 •1/3 •2/3 •3/2

In an experiment, the temperature fell 488F in 8 minutes. If the temperature fell at the same rate every minute, how many degrees did it change each minute?

Simplify 12 to the power of 16 over 12 to the power of 4

Jessica purchased a DVD that was on sale for 12% off. The sales tax in her county is 3%. Let y represent the original price of the DVD. Write an expression that can be used to determine the final cost of the DVD.

Dan and his family are traveling to North Carolina. On Monday, they drove 3/8 of the trip and on Tuesday they drove 4/8 of the trip. How much of the trip did they drive so far?

Is - 2 (x+11) = -2x-22 a distributive property

How do you turn equations into vertex form?

What is the value of an annuity due at the end of 15 years of quarterly deposits of $2,000.00 with terms of 8 percent compounded quarterly? $228,102.00 $228,120.00 $232,666.08 $232,665.14