Simplify the algebraic expression by combining like terms.-6x3 - 7x3
A. -13x9
B. -13x6
C. -14x3
D. -13x3
Answer: D
Mathematics
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Find the requested value of the variable.x varies inversely as v. If x = 42 when v = 7, find x when v = 49.
A. x = 42 B. x = 49 C. x = 7 D. x = 6
Mathematics
Perform the division and write the answer without using negative exponents.
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A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the problem.Biologists banded five out of every twenty wild ducks. What percent were not banded?
A. 15% B. 5% C. 75% D. 25%
Mathematics