Solve.A ping-pong ball is dropped from a height of 9 ft and always rebounds 
of the distance fallen. Find the total sum of the rebound heights of the ball.
A. 3 ft
B. 4.5 ft
C. 13.5 ft
D. 6 ft
Answer: B
Mathematics
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Multiply using Napier rods.4 × 1441
A. 5768 B. 5764 C. 2882 D. 11,528
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Solve the equation or inequality graphically. Express solutions or endpoints of intervals rounded to the nearest hundredth, if necessary.
+ 
= 16
A. {13} B. {-13, 3} C. {13, -3} D. ?
Mathematics
Find the product. 
A. 
B. 
C. - 
D. - 
Mathematics
Give the probability distribution and sketch the histogram.At a supermarket during the 6 p.m. rush, the manager counted the number of customers waiting in each of the 12 checkout lines. The results are shown in the table.
A. 
B. 
C. 
D. 
Mathematics