Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
(
+ 
)
A. 441 + 7
B. 21 + 49
C. 21 + 7
D. 42
Answer: C
Mathematics
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= 
- 
A. 0, 8 B. 0, -8 C. 0 D. 0, -8, 8
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Graph the inequality.
? 1
A. 
B. 
C. 
D. 
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Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.3(2x - 1) = 19
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