Which expression is equivalent to 7k+13-4k+10+5k-6?
a. 35k
b. 8k-3
c. 8k+17
d. 16k+29

Solve the system of equations. y= 2x y= x^2 - 15

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.