Choose the number that is a solution of the inequality.7t - 5 ? 6t - 12
A. -7
B. -9
C. -10
D. -8
Answer: A
Mathematics
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Find the derivative of y with respect to the appropriate variable.y = 9 tanh-1 (cos x)
A. ln 
sin x
B. 
C. 
D. 
Mathematics
At the outside wall the roof is 9 feet high. The slope of the roof is 1.28 feet per foot. What is the height of the roof 4 horizontal feet from the outside wall toward the interior of the room? ?
A. 15.06 feet B. 12.13 feet C. 12.44 feet D. 14.12 feet
Mathematics
Determine whether or not the function is one-to-one.
A. No B. Yes
Mathematics
Solve the problem.Martha can rake the leaves in her yard in 8 hr. Her brother can do the job in 7 hr. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 56 hr
D. 3
hr
Mathematics