Simplify the expression.
(y + 8) + 10y
A. 6y + 32
B. 6y - 32
C. 
y + 32
D. 
y - 32
Answer: B
Mathematics
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Solve the problem.A twin-engined aircraft can fly 768 miles from city A to city B in 3 hours with the wind and make the return trip in 8 hours against the wind. What is the speed of the wind?
A. 112 mph B. 80 mph C. 96 mph D. 64 mph
Mathematics
Find the domain of the function 
Mathematics
Ace Truck leases its 10-ft box truck at $30/day and $0.45/mi, whereas Acme Truck leases a similar truck at $25/day and $0.55/mi. Find the daily cost of leasing from each company as a function of x number of miles driven.
What will be an ideal response?
Mathematics
Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. x7/2y6/7 B. x2/7y6/7 C. x2/7y7/6 D. x7/2y7/6
Mathematics