Solve the problem.Tracy can wallpaper 4 rooms in a new house in 24 hours. Together with her trainee they can wallpaper the 4 rooms in 15 hours. How long would it take the trainee working by herself to do the job?
A. 80 hr
B. 64 hr
C. 40 hr
D. 24 hr
Answer: C
Mathematics
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A. All of them B. The mean and median C. The mean only D. The median and mode
Mathematics
The graph of y = f(x) is given. Use the graph to find the function value.
Find f(-3).
A. None of these B. -5 C. 2 D. -3
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Provide an appropriate response.True or false? The solution of the equation 7y - 6 = 7y + 3 is 0.
What will be an ideal response?
Mathematics
Verify the identity.
= 2 cot2 x - csc2 x
What will be an ideal response?
Mathematics