Solve the problem.Glenn and Paula want to dig an irrigation channel for their garden. Together it takes them 
to dig an appropriately sized irrigation channel. If Paula can dig the channel by herself in 
how long would it take Glenn to dig the channel by himself? (Round your answer to the nearest tenth of an hour, if necessary.)
A. 4.1 hr
B. 0.8 hr
C. 5.9 hr
D. 4.4 hr
Answer: C
Mathematics
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Find the exact value of the trigonometric expression without the use of a calculator.sin
A. 
B. 
C. - 
D. - 
Mathematics
Determine the amplitude and find the phase shift in radians (to the nearest tenth).y = -3 sin x - 7 cos x
A. 116, 0.4
B. 
, 0.4
C. 116, -0.4
D. 
, -0.4
Mathematics
Find the perimeter of the figure.
A. 1068 feet B. 826 feet C. 922 feet D. 413 feet
Mathematics
Provide an appropriate response.Under the weighted average method, to determine the cost of goods sold you multiply the number of units sold times the average unit cost.
A. True B. False
Mathematics