Solve the problem.Mari drops a ball from a height of 18 meters and notices that on each bounce the ball returns to about 7/8 of its previous height. About how far will ball travel before it comes to rest?
A. 38.6 m
B. 270 m
C. 288 m
D. 144 m
Answer: B
Mathematics
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ? B. {(8, 0)} C. {(-8, -1)} D. {(9, 8)}
Mathematics
Provide an appropriate response.If y = (7x + 5)11, then find y'''.
What will be an ideal response?
Mathematics
Solve the problem.The five sales people at Southwest Appliances earned commissions last year of 
, 
, 
, 
, and 
. What is the mean of these commissions?
A. $28,140 B. $29,480 C. $25,460 D. $26,800
Mathematics
Evaluate the determinant.
A. 
B. 2
C. 0
D. -2
Mathematics