Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: 
How many hours of study are needed to score 86?
A. 31.40 hr
B. 3.14 hr
C. 100.88 hr
D. 5.58 hr
Answer: B
Mathematics
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For the given dynamical system, calculate the value of An.An+1 = 4An - 5, A0 = 6; find A1 and A2.
A. 19; 71 B. -1; 4 C. 6; 19 D. 19; 76
Mathematics
Determine whether the pair of rational expressions is equivalent.
and 
A. Equivalent B. Not Equivalent
Mathematics
Find the date due and the maturity value.
A. Date due: April 20 Maturity value: $15,921.76 B. Date Due: April 20 Maturity value: $15,814.80 C. Date Due: April 21 Maturity value: $16,044.00 D. Date Due: April 21 Maturity value: $15,631.44
Mathematics
Find the probability.People were given three choices of soft drinks and asked to choose one favorite. The following table shows the results.
P(person is over 40 ? person drinks diet cola)?
A. 
B. 
C. 
D. 
Mathematics