Simplify the radical. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A line from the top of a cliff to the ground passes just over the top of a pole 6.0 ft high and meets the ground at a point 7.0 ft from the base of the pole. If the point is 68 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.
A. 58 ft B. 408 ft C. 5 ft D. 2856 ft
Mathematics
Perform the operation. Write the answer as a fraction in lowest terms.3
+ 4
A. 56
B. 
C. 3
D. 7
Mathematics
Graph the inequality.y < 
x
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the logarithmic function.f(x) = log9(x2 - 10x + 25)
A. (5, ?) B. (-?, 5) ? (5, ?) C. (-5, ?) D. (-?, 0) ? (0, ?)
Mathematics