Find the GCF of 40, 45, and 50.
A. 10
B. 8
C. 1
D. 5
Answer: D
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Solve the problem.An auto mechanic finds that the interval time I, in minutes, between scheduled appointments must be related to the total number of minutes T that he is open each day and the number of scheduled oil changes N according to the formula 
If he wants to be open 9 hours each day, and feels that he can do each oil change in 20 minutes, how many appointments should he make in one day?
A. 2 B. 29 C. 145 D. 0
Graph the set of points whose polar coordinates satisfy the given equation or inequality.2 ? r ? 5
A. 
B. 
C. 
D. 
Provide an appropriate response.Multiply two fractions by 
the numerators and 
the denominators.
A. multiplying; adding B. adding; multiplying C. multiplying; canceling D. multiplying; multiplying
Identify the intercepts.
A. (-1, -1), (1, 1) B. (-1, 0), (0, 1) C. (1, 0), (0, 1) D. (-1, 0), (0, -1)