Solve the problem.The time it takes to complete a certain job varies inversely as the number of people working on that job. If it takes 32 hours for 7 carpenters to frame a house, then how long will it take 48 carpenters to do the same job?
A. 10.5 hr
B. 4.7 hr
C. 40 hr
D. 48 hr
Answer: B
Mathematics
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Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.
A. 
; - 
B. 
; - 
C. 
; - 
D. 
; - 
Mathematics
Provide an appropriate response.What is the total cost of 
pounds of halibut at $16.40 per pound and 
pounds of ground meat at 
per pound?
A. $21.20 B. $40.70 C. $30.60 D. $27.70
Mathematics
Solve the problem.Use the graph of f(t) = cos t given below to evaluate 
graphically.
A. -0.5 B. 1 C. 0.5 D. -1
Mathematics
Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.tan 720°
A. 
B. 0
C. -1
D. undefined
Mathematics