Solve the problem.Tracy can wallpaper 5 rooms in a new house in 40 hours. Together with her trainee they can wallpaper the 5 rooms in 23 hours. How long would it take the trainee working by herself to do the job?
A. 40 hr
B. 95 hr
C. 110 hr
D. 55 hr
Answer: D
Mathematics
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Find the amplitude, period or displacement.Find the period of y = 2 cos 
.
A. 
B. 8?
C. 4?
D. 2?
Mathematics
First, rewrite each equation in exponential form. Then, use a table of coordinates and the exponential form to graph the logarithmic function. Begin by selecting -2, -1, 0, 1 and 2 for y. y = log4 x
A. 
B. 
C. 
D. 
Mathematics
Determine whether the sentence is a statement.This test is too hard.
A. statement B. not a statement
Mathematics
Use =, <, or > to write a true statement.-26 -58
A. = B. > C. <
Mathematics