Provide an appropriate response.Determine which surface is steeper between a road with a 25% grade or a road with a pitch of 1 in 4.
A. a road with a pitch of 1 in 4
B. a road with a 25% grade
Answer: A
Mathematics
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Solve.Two plumbers make house calls. One charges $90 for a visit plus $40 per hour of work. The other charges $70 per visit plus $50 per hour of work. For how many hours of work do the two plumbers charge the same?
A. 2 hr B. 2.5 hr C. 1.5 hr D. 1 hr
Mathematics
Simplify the expression. 
A. 
B. 
C. 
D. 
Mathematics
Use the properties of logarithms to write the expression as the logarithm of a single expression.4 log x + 8 log y
A. log 
B. log4
C. log x4y8
D. log xy8
Mathematics
Provide an appropriate response.True or false? The equation (7x - 9)2 = -25 has two real solutions. If false, give the correct number of real solutions.
A. True B. False; zero C. False; one D. False; three
Mathematics