2 Type the correct answer in each box. Use numerals instead of words.
Multiply the expressions.
3.12 + 21 - 21
-212 - 21 + 12
212 + 251 + 63
612 + 71 - 49
If a = 1, find the values of b, c, and d that make the given expression equivalent to the expression below.
ar +
CI + d
b=
,and du
,C=
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Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

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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