Solve the problem.The net income y (in millions of dollars) of Pet Products Unlimited from 1997 to 1999 is given by the equation y = 9x2 + 15x + 52, where x represents the number of years after 1997. Assume this trend continues and predict the year in which Pet Products Unlimited's net income will be $352 million.
A. 2001
B. 2004
C. 2003
D. 2002
Answer: D
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Solve the problem.Between 7:00 AM and 8:00 AM, trains arrive at a subway station at a rate of 8 trains per hour 
per minute). The following formula from statistics can be used to determine the probability that a train will arrive within t minutes of 7:00 AM. F(t) = 1 - e-0.13tDetermine how many minutes are needed for the probability to reach 60%.
A. 6.57 min B. 7.05 min C. 9.18 min D. 2.52 min
In the given formula, determine which letter represents the input variable and which letter represents the output variable.2(7 - 8w) = z
A. 7 = input, w = output B. z = input, w = output C. 8 = input, z = output D. w = input, z = output
Decide whether or not the ordered pair is a solution of the system.(-4, 3)4x = -13 - y2x = 4 - 4y
A. Yes B. No
Evaluate the determinant.
A. 20 - 2
B. 20 + 2
C. 26
D. -26