Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(x - 4)(x + 7) > 0
A. (-7, 4) 
B. (-7, ?)
C. (-?, -4) ? (7, ?)
D. (-?, -7) ? (4, ?)
Answer: D
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Simplify.8 + (-4) + 4(-5)
A. 24 B. -16 C. 32 D. -8
Solve the exponential equation using the method of "relating the bases" by first rewriting the equation in the form 
256x = 4
A. 
B. {4}
C. {64}
D. 
A mouse is placed at random in one of five compartments of a maze. The probability of it going to another compartment is given in the following transition matrix. Using this information, solve the problem.1 2345
Find the probability that a mouse ends up in compartment 2, if it started in compartment 1.
A. 0.481 B. 0.519 C. 0.491 D. 0.509
Write a linear inequality for the situation described.It takes 5 cups of sugar to bake a cake and 3 cups of sugar to make a tray of cookies. Mary has a total of 15 cups of sugar to bake x cakes and y trays of cookies.
A. 3x + 5y ? 15 B. 5x + 3y ? 0 C. 3x + 5y ? 1 D. 5x + 3y ? 15