Add or subtract as indicated. Express the answer as a single polynomial in standard form.-4(x2 + 3x + 1) + (-3x2 - x - 9)
A. -7x2 - 13x - 8
B. -7x2 - 13x - 13
C. -7x2 - 12x - 13
D. -1x2 - 13x - 13
Answer: B
Mathematics
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and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab.)
A. 116.48? units3 B. 1397.76? units3 C. 101.12? units3 D. 75.52? units3
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Solve the problem.In how many ways can a student work 7 out of 10 questions on an exam?
A. 720 B. 120 C. 10,000,000 D. 21
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Solve for the variable. Choose the method you feel will work best.3x2 + 12x = - 2
A. x = 
B. x = 
C. x = 
D. x = 
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Solve.Johanna has a 
-lb mixture of cashews and peanuts that includes 
lb of cashews. How many pounds of peanuts are in the mixture?
A. 
lb
B. 
lb
C. 
lb
D. 
lb
Mathematics