Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. -1
B. -24
C. 
D. 
Answer: D
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Solve the problem.Tickets to a ballet cost $15 if bought in advance. If bought on the date of the ballet, they cost $22. For the ballet to make a profit, the total money collected from ticket sales must be at least $370. Write an inequality to represent the ballet making a profit, using x for the number of tickets bought in advance and y for the number of tickets bought on the date of the ballet. Do not solve the inequality.
A. 15x + 22y ? 370 B. 15x - 22y ? 370 C. 15x + 22y ? 370 D. 15x - 22y ? 370
Find the domain of the function.f(x) = log5(4 - x2)
A. (-?, -2) ? (2, ?) B. (-4, 4) C. (-2, 2) D. [-2, 2]
Evaluate the expression according to the order of operations.4 + 6 ÷ 2 + 6
A. 13 B. 8 C. 9 D. 12
Provide an appropriate response.A whole number less than 6.7.
What will be an ideal response?