Divide.
A. 2m + 9
B. 2m - 9
C. 2m - 9 + 
D. m - 9
Answer: B
Mathematics
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Write each equation in standard form and identify a, b, and c. 7x2 = 9x - 21
A. a = 7, b = -9, c = -21 B. a = 7, b = -9, c = 21 C. a = 7, b = 9, c = 21 D. a = 7, b = 9, c = -21
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A carousel has a radius of 20 feet and takes 29 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? If necessary, round the answer to two decimal places.
A. 0.69 ft/sec B. 9.11 ft/sec C. 125.66 ft/sec D. 4.33 ft/sec
Mathematics