Solve.Fred is putting down tile for a new gymnasium. He can lay 25 square feet of tile an hour. How long will it take him to do a gymnasium 140 feet long and 100 feet wide?
A. 280 hr
B. 480 hr
C. 56 hr
D. 560 hr
Answer: D
Mathematics
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Determine the standard equation of the ellipse described.Foci at (0, 4) and (-4, 4); vertex at (-5, 4).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Sketch the graph from 
to 
.
?
?
A. ?
?
B. ?
?
C. ?
D. ?
E. ?
Mathematics
The figure below is a model of the Ferris wheel. The diameter of the wheel is 193 feet, and one complete revolution takes 17 minutes. Find the linear velocity of a person riding on the wheel. Give your answer in miles per hour and round to the nearest hundredth.
?
?
A. 0.45 mph B. 0.42 mph C. 0.49 mph D. 0.56 mph E. 0.41 mph
Mathematics
Find the limit. Select the correct answer. 
a. ? b. ? c. 0 d. 5 e. - ?
Mathematics