Add or subtract by first simplifying each radical and then combining any like radical terms. Assume that all variables represent positive real numbers.
- 7
+ 3
A. -18
B. -18
C. -4
D. -4
Answer: B
Mathematics
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Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2
A. 8 log2x + 7 log2y + log25 B. (8 log2x)(7 log2y) - log25 C. 8 log2x - 7 log2y - log25 D. 8 log2x + 7 log2y - log25
Mathematics
Simplify using order of operations.648 ÷ (-9)2 + (-9)
A. 1 B. -17 C. -1 D. 17
Mathematics
Find the perimeter. Use 3.14 for ?.
A. 46.26 ft B. 74.52 ft C. 56.52 ft D. 28.26 ft
Mathematics
Solve the equation.
- 
= 4
A. {32}
B. {16}
C. {8}
D. 
Mathematics