Find the domain of the variable in the equation. Write the answer in interval notation.
= 2 + 
A. (-?, 2) ? (2, ?)
B. (0, ?)
C. (-?, 0) ? (0, ?)
D. (1, ?)
Answer: B
Mathematics
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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 6m B. 8m2 C. 8 D. -3m
Mathematics
Solve the problem.Write 270 out of 500 zoo animals as a decimal and as a percent.
A. 0.54, 540% B. 0.54, 54% C. 0.54, 5.4% D. 5.4, 540%
Mathematics
Use the Binomial Theorem to find the indicated coefficient or term.The coefficient of 
in the expansion of 
3
A. 9 B. 2 C. 6 D. 3
Mathematics
Decide whether the graph opens up or opens down.f(x) = x2 - 14x - 7
A. opens down B. opens up
Mathematics