Find the value of the expression using the given values.-9xy + 3y - 6x = -3, y = -3
A. -96
B. -90
C. 66
D. -84
Answer: A
Mathematics
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Find the limit.
A. 0 B. 1/4 C. 1/2 D. Does not exist
Mathematics
Provide an appropriate response.Which of the following is NOT a subset of the set {p, o, 7}?
A. {o, 7} B. 7 C. ? D. {p, o, 7}
Mathematics
Simplify. Assume that all variables represent nonnegative numbers.
?
A. 3x3y3
B. 3x3y3
C. 9x6y6
D. 3
Mathematics
Construct a 95% confidence interval for the population mean using the given information.New medication's effect on total serum cholesterol level of all patients (drop in total cholesterol), 
E = 3.1 mg/dL
A. 7.5 < ? < 13.7 B. 7.6 < ? < 13.6 C. 7.4 < ? < 13.9 D. 7.6 < ? < 13.8
Mathematics