Simplify the expression. Assume that all variables are positive when they appear.
A. -9x2
B. 27x2
C. 81x2
D. not a real number
Answer: A
Mathematics
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Substitute the given values into the formula and then evaluate to find the unknown quantity. Label units in your answer. If the answer is not exact, round your answer to the nearest hundredth.d = rt; t = 9, d = 54
A. 0.2 B. 6 C. 45 D. 63
Mathematics
Use unit ratios to convert the units.5.1 miles to feet
A. 748.00 ft B. 8,976 ft C. 26,928 ft D. 2,244 ft
Mathematics
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(0, 3)
A. increasing B. constant C. decreasing
Mathematics
Reduce the rational expression to lowest terms.
A. 
B. 
C. - 
D. 
Mathematics