Solve the problem.A rectangular metal tank with an open top is to hold 256 cubic feet of liquid. What are the dimensions of the tank that require the least material to build?
A. 2 ft by 2 ft by 64 ft
B. 8 ft by 8 ft by 4 ft
C. 2 ft by 16 ft by 4 ft
D. 16 ft by 4 ft by 4 ft
Answer: B
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Solve the problem.Scores on a test are approximately normally distributed with a mean of 70 and a standard deviation of 9. The teacher wants to give A's to the top 10% of students, B's to the next 25%, C's to the next 40%, D's to the next 16%, and F's to the bottom 9%. What is the bottom cutoff for a D grade? Round your answer to the nearest whole number.
A. 56 B. 58 C. 62 D. 65
Solve the problem.Nikki is fishing from a bank 14 feet above water level. In this location, the fish tend to feed at 44 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. 58 ft. B. 30 ft. C. -30 ft. D. -14 ft.
Replace ? with < or >.-34
-24
A. < B. >
Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.
A. 5
; 
B. 3
; 
C. 3
; 
D. 3
; 