Solve the equation for x.
= -2
A. {-2}
B. {2}
C. {-1}
D. ?
Answer: B
Mathematics
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Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.The second marble is blue given the first marble is red.
A. 
B. 
C. 
D. 
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Perform the operations indicated. Write your answer in simplest form.-175 ÷ 7
A. 25
B. -25
C. - 
D. -35
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Add or subtract as indicated.Subtract:
A. -6x5 - 13x2y - 4y2 B. 15x8y3 C. -6x5 - 13x2y + 34y2 D. -6x5 - 10x2y - 4y2
Mathematics
Solve the problem.Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A. 105° B. 145° C. 35° D. 75°
Mathematics