Solve the equations by factoring.x2 + 12x = -27
A. -9, 3
B. -27, -1
C. 3, 9
D. -9, -3
Answer: D
Mathematics
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Find the probability of the event if a single choice is made from a bag.A bag contains 2 red marbles, 8 blue marbles, and 5 green marbles. What is the probability of choosing a blue marble when one marble is drawn?
A. 
B. 
C. 
D. 
Mathematics
Simplify the algebraic expression.-2.2(6r + 8) + 4.6(6r + 9)
A. 14.4r + 8 B. 3.8r + 5.8 C. -30.8r D. 14.4r + 23.8
Mathematics
Use the formula for 
to evaluate the expression.
A. 15,120 B. 126 C. 3024 D. 72,576
Mathematics
Factor the sum or difference of two cubes completely.448s3 + 7
A. 7(4s + 1)(16s2 - 4s + 1) B. 7(4s + 7)(16s2 - 28s + 7) C. 7(4s + 1)(16s2 + 4s + 1) D. 7(4s - 1)(16s2 + 4s + 1)
Mathematics