Solve the problem.How long will it take for $7,200 to grow to $15,700 at an interest rate of 8.6% if the interest is compounded quarterly? Round the number of years to the nearest hundredth.
A. 36.65 yr
B. 9.45 yr
C. 25.63 yr
D. 9.16 yr
Answer: D
Mathematics
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Find the midpoint of the line segment joining the points P1 and P2.P1 = (4a, 1); P2 = (5a, 2)
A. 
B. 
C. 
D. 
Mathematics
Find f(x) = a(x - h)2 + k so that f models the data exactly.
A. f(x) = 
(x - 5)2 - 8
B. f(x) = (x + 5)2 + 8
C. f(x) = 
(x + 5)2 + 8
D. f(x) = 2(x - 8)2 - 5
Mathematics
Solve the problem.The time of a telephone call (in minutes) to a certain town is a continuous random variable with a probability density function defined by 
for 
Find the probability that the call lasts between 1 and 2 minutes.
A. 0.8125 B. 0.0625 C. 0.9375 D. 1.0625
Mathematics
Solve the system of linear equations.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics