Perform the division. 
A. x - 49
B. x + 7
C. x + 49
D. x2 - 7
Answer: B
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A hypothesis test is to be performed. State the null and alternative hypotheses.A health insurer has determined that the "reasonable and customary" fee for a certain medical procedure is 
They suspect that the average fee charged by one particular clinic for this procedure is higher than 
The insurer wants to perform a hypothesis test to determine whether their suspicion is correct.
A. Null hypothesis: mean fee < $1200 Alternative hypothesis: mean fee > $1200 B. Null hypothesis: mean fee > $1200 Alternative hypothesis: mean fee = $1200 C. Null hypothesis: mean fee = $1200 Alternative hypothesis: mean fee ? $1200 D. Null hypothesis: mean fee = $1200 Alternative hypothesis: mean fee > $1200
Multiply. Simplify if possible.
? 
A. 1
B. -a
C. - 
D. a
Name the quadrant or axis in which the point lies.(0, 3)
A. quadrant I B. quadrant II C. x-axis D. y-axis
Solve the inequality symbolically. Express the solution set in interval notation.13a + 10 ? 12a - 2
A. (-?, -12] B. (13, ?) C. [-12, ?) D. (-?, 13)