Simplify the expression.(-8)4/3
A. -16
B. 16
C. 64
D. not a real number
Answer: B
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Solve the problem.The manager of a coffee shop has one type of coffee that sells for $9 per pound and another type that sells for $14 per pound. The manager wishes to mix 50 pounds of the $14 coffee to get a mixture that will sell for $11 per pound. How many pounds of the $9 coffee should be used?
A. 62.5 lb B. 125 lb C. 75 lb D. 37.5 lb
Find the area of the region.
9 mi
A. 77 sq mi B. 81 sq mi C. 84 sq mi D. 36 sq mi
Use the quadratic formula to find the exact solutions.5x2 - 14x - 3 = 0
A. -5, 3
B. - 
, -5
C. - 
, 5
D. - 
, 3
Solve the problem.For children aged 5 to 15 years, the number of hours watching cartoons per week can be estimated by the function 
where s is the age of the child. Find the domain of the function.
A. {
0.9 ? x ? 17}
B. {
5 ? x ? 15}
C. {
8 ? x ? 17}
D. {
x is a real number}