Use the fundamental identities to find the value of the trigonometric function.Find tan ? if cos ? =  and ? is in quadrant IV.

A. - 
B. - 
C. 4
D. - 


Answer: B

Mathematics

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Use the data to make a frequency distribution table.Lori asked 24 students how many hours they spent doing homework during the previous week. Frequency Distribution Table  

What will be an ideal response?

Mathematics

A bottle of white wine at room temperature (68°F) is placed in a refrigerator at 3 P.M. Its temperature after t hours is changing at the rate of -18e-0.6t °F/hr. ?  By how many degrees will the temperature of the wine have dropped by 12 P.M.? Please round your answer to one decimal place. ? 

A. 27.8°F B. 33.1°F C. 29.9°F D. 28.6°F

Mathematics

Divide and simplify. Assume that all expressions under radicals represent positive numbers.

A. 125x2y3
B. 5x2y3
C. 125x5y8
D. 5x2y3

Mathematics

Find the solution(s) (if any) of the system of equations by the graphical method. If the equations are dependent, write your answer with x being arbitrary.

A. {(-5, 4)}
B. {(5, 4)}
C. inconsistent
D.

Mathematics