Add or subtract by first simplifying each radical and then combining any like radical terms. Assume that all variables represent positive real numbers.
- 
A. 2 - 3 
B. 2 
- 3 
C. 3 
- 2 
D. 5 
Answer: B
Mathematics
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Convert to a mixed numeral.
A. -7
B. -8
C. -7
D. -6
Mathematics
Use both the addition and multiplication properties of inequality to solve the inequality. Graph the solution set on a number line.
+ 11 ? 7
A. (-?, -8] 
B. (-?, -6)
C. (-?, 6] 
D. [-8, ?)
Mathematics
Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 8; exact: 6.768 B. Estimate: 3; exact: 5.768 C. Estimate: 0.8; exact: 0.6768 D. Estimate: 0.3; exact: 6.668
Mathematics
Find the domain of the function.f(x) = log(x - 8)
A. (-8, ?) B. (1, ?) C. (0, ?) D. (8, ?)
Mathematics