Solve the problem.The percentage P of doctors who accept a new medicine is given by P(t) = 100(1 - e-0.10t), where t = time in months.How many months will it take for 87% of the doctors to accept the new medicine?
A. 18 months
B. 23 months
C. 21 months
D. 26 months
Answer: C
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?The following chart shows the proportion of a budget spent at an entertainment park. ? Ride Tickets $37 Candy/Treats $23Gifts $30Food $30? Which of the following is true? ?
A.? The proportion of money spent on Gifts is 
.
B. ?The proportion of money spent on Food and Candy/Treats is 
.
C. ?The proportion of money spent on Ride Tickets is more than 
.
D. ?The proportion of money spent on Gifts is approximately 
of that spent on Ride Tickets and Candy/Treats.
E. ?The proportion of money spent on Food is approximately 
.
Solve the problem.A repair company's charge for repairing a certain type of copy machine fits the model 
where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $120? (Round to the nearest minute.)
A. 187 min B. 118 min C. 271 min D. 12 min
Identify any horizontal asymptotes in the graph.
A. y = 0
B. None
C. y = 
D. y = 
Convert the weight as indicated.18,000 pounds to tons
A. 9 T
B. 8 T
C. 10 T
D. 9
T