Calculate the slope of the line passing through the given points. If the slope is undefined, so state. Then indicate whether the line rises, falls, is horizontal, or is vertical.(-1, -8), (-1, -7)
A. 0, is horizontal
B. 
, rises
C. 
, rises
D. undefined, is vertical
Answer: D
Mathematics
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Decide whether the given set of numbers is a group under the given operation.Prime numbers; multiplication
A. Yes B. No
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Round the number to the given place value.A swimmer swims the 200m butterfly in 2.22514 minutes. Round his time to the nearest hundredth.
A. 2.24 B. 2.225 C. 2.23 D. 2.22
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Find the area of the figure.
A. 43.75 m2 B. 17.5 m2 C. 87.5 m2 D. 8.75 m2
Mathematics
Solve. Give your answer as a mixed number if appropriate.
= 
A. 33
B. 
C. 66
D. 1
Mathematics