Use a calculator to give the real number value. Round the answer to 7 decimal places.y = cos-1(-0.9397)
A. 2.8285740
B. 2.7412723
C. 2.7925484
D. -0.3492063
Answer: C
Mathematics
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Answer true or false.k ? {p, a, k, h, v}
A. True B. False
Mathematics
Use long division to find the quotient and check.
A. 103 R 5 B. 100 C. 103 R 60 D. 100 R 49
Mathematics
Solve the problem.The expression for figuring the average speed of a car is 
, where m is the number of miles traveled and h is the number of hours traveled. Evaluate the expression for a car that travels 
in 10 hours.
A. 49 mph B. 59 mph C. 55 mph D. 590 mph
Mathematics
Find the domain of the function.f(x) = 
A. {x|x ? 0} B. {x|x ? 5, -6} C. {x|x ? -5, -6} D. {x|x ? 8, -8}
Mathematics