Simplify by combining like terms.-3a + 9a
A. 6a
B. -12a
C. -6a
D. 12a
Answer: A
Mathematics
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Classify the polygon by name. If it is a quadrilateral, give its specific name.
A. Octagon B. Nonagon C. Decagon D. Dodecagon
Mathematics
Evaluate the following improper integral whenever it is convergent.
?
?
A. 
B. 
C. 
D. 
E. the integral is divergent
Mathematics
Write an equivalent expression. Use a commutative law.y + 6
A. y6 B. 6(y + 1) C. 6y D. 6 + y
Mathematics
Solve the problem.A committee is to be formed consisting of 5 men and 4 women. If the committee members are to be chosen from 10 men and 14 women, how many different committees are possible?
A. 1253 B. 1,307,504 C. 252,252 D. 726,485,760
Mathematics