Use the product rule to simplify the expression.y9 ? y5 ? y-2
A. y90
B. y14
C. y12
D. y-90
Answer: C
Mathematics
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Solve the right triangle if ?A= 47°, ?C= 90° and b = 41.9.
What will be an ideal response?
Mathematics
Graph.25x2 - 9y2 = 225
A. 
B. 
C. 
D. 
Mathematics
Solve.In your department the ages of the employees are 28, 40, and 43. Find the average age of the three employees.
A. 36 B. 35 C. 37 D. 38
Mathematics
Find the domain of the function.f(x) = 
A. {x|x ? -5}, or (-?, -5) ? (-5, ?) B. {x|x ? -5 and x ? 3}, or (-?, -5) ? (-5, 3) ? (3, ?) C. {x|x ? 3}, or (-?, 3) ? (3, ?) D. all real numbers, or (-?, ?)
Mathematics