Perform the operation and give the answer in the same numeration system. Write the answer as simply as possible.Subtract MDCCCVII from MCMXIII
A. CVI
B. LXI
C. MCCVI
D. MDCCVI
Answer: A
Mathematics
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Solve. Write the answer in simplest form.Find 
of 120.
A. 120
B. 240
C. 
D. 60
Mathematics
Solve the inequality.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the center and radius of the circle with the given equation. x2 + 12x + 36 + (y - 2)2 = 9
A. Center (6, -2), r = 9 B. Center (-2, 6), r = 9 C. Center (-6, 2), r = 3 D. Center (2, -6), r = 3
Mathematics
Solve the problem.A truck burns fuel at the rate (gallons per hr) of 
while traveling at x mph. If fuel costs 
per gallon, find the speed that minimizes total cost for a 
trip. Round to the nearest tenth.
A. 37.0 mph B. 35.0 mph C. 42.0 mph D. 31.5 mph
Mathematics