Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 11
B. 
C. 60
D. 
Answer: D
Mathematics
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Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(7, 8); Find tan ?.
A. 
B. 
C. 
D. 
Mathematics
Solve.Find the height of the cliff. Round to the nearest hundredth of a meter.
A. 24 yd B. 39.19 m C. 48.33 yd D. 39.08 yd
Mathematics
Simplify using rational exponents.
A. 3a5b2
B. 3a4b2
C. 3a4b6
D. 3a4b3
Mathematics
Perform the following operation.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics