Find real numbers a and b such that the equation is true.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Solve.When a ball with coefficient of restitution e is dropped from a height h meters onto a large flat surface, the time t from the first impact until the ball stops bouncing is given by t = 
seconds. Find the time it takes a ball with coefficient of restitution 0.21 to stop bouncing if it is dropped from a height of 67.1 centimeters. (Round to the nearest tenth.)
A. 1.9 seconds B. 18.7 seconds C. 27.8 seconds D. 2.8 seconds
Mathematics
Graph the inequality.3x - 7y > 0
A. 
B. 
C. 
D. 
Mathematics
Write the fraction that is represented by the given shading.
A. 
B. 
C. 
D. 
Mathematics
Find the average price per item for an order that consists of the following catalog items. Round your answer to two decimal places.
a. $17.04
b. $17.60
c. $3.00
d. $3.30
Mathematics