How many terms are in the expression 5m2 - mn + 4n + 7?

2
3
4

simplify 11(2x + 3).

11x + 5
22x + 3
22x + 33

simplify 8(3 - 2x).

24x - 16
16x - 24
24 - 16x

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?

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The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64