Which expressions are equivalent to 2r + (t + r)2r+(t+r)2, r, plus, left parenthesis, t, plus, r, right parenthesis ? Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
2rt + 4r

(Choice B)
B
r+tr

(Choice C)
C
None of the above

What is the equation of the linear function represented by the table?

What is the greatest common factor of 8 and 36

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?