Evaluate the expression. Assume all variables represent nonzero numbers.(-10)0 + (-8)0
A. -2
B. 0
C. 2
D. -18
Answer: C
Mathematics
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Find the exact value of the real number y.y = sec-1 (
)
A. 
B. 
C. 
D. 
Mathematics
Evaluate the improper integral or state that it diverges.
A. 
B. 
C. 
D. diverges
Mathematics
Decide whether the given number is a solution of the given equation.Is 22 a solution of 5c + 5 - 4c = -27+ 10 ?
A. Yes B. No
Mathematics
Solve the problem.At a ticket booth, customers arrive randomly at a rate of x per hour. The average line length is 
where 
To keep the time waiting in line reasonable, it is decided that the average line length should not exceed 10 customers. Solve the inequality 
to determine the rates x per hour at which customers can arrive before a second attendant is needed.
A. 0 ? x ? 19 B. 0 ? x ? 17 C. 0 ? x ? 18 D. 0 ? x ? 20
Mathematics