Which statement shows the associative property of addition? O 21 + 2y = 2y + 21
O 3.(5.2) = (3.5) 2
If m + 3 = 18, then 18 = m + 3.
O (1 + 7) + 13 = 4 + (7 + 13)

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

What point is the projection of q on a) r b) s c) t

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance