Find the area of the surface of the portion of the plane
?
?
in the first octant.
?
A. 
?
B. ?
?
C. ?
?
D. ?
?
E. ?
?
Answer: B
Mathematics
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The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds). s (m)
When is the body standing still?
A. 2 < t < 3, 4 < t < 5, 7 < t < 9 B. 1 < t < 2 C. t = 3, t = 5, t = 8 D. 8 < t ? 10
Mathematics
Choose the rational number that is between the given fractions.
and 
A. - 
B. 
C. 
D. - 
Mathematics
Find the difference.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve.The distance between two cities is 408 kilometers. Convert this to miles. Round answer to the nearest hundredth, if necessary.
A. 444.72 mi B. 252.96 mi C. 656.88 mi D. 122.4 mi
Mathematics