In the xy-coordinate plane, the graph of the equation y = 3x² - 12x - 36 has zeros at x = a and x = b, 
where a < b.  The graph has a minimum at (c , -48).  What are the values of a, b, and c?
A.)  a = 2, b = 4, and c = 2
B.)  a = -2, b = 6, and c = 2
C.)  a = -3, b = 3, and c = 0
D.)  a = 3, b = 6, and c = 2

Use the information provided to answer Part A and Part B.

The Water Watch program is encouraging customers to reduce the amount of water they use each day. The program is selling low-flow showerheads, which use 2 gallons of water per minute, for $54 each.  

A family currently has a showerhead that uses 5 gallons of water per minute and is considering replacing it with one of the low-flow showerheads.  The family uses the shower an average of 20 minutes per day and pays $0.002 per gallon of water.

What is one solution of the equation x² - 21.75x = -15.75?

Let |x| + |y| = c, where c is a real number.

Determine the number of points that would be on the graph of the equation for each given case:
Case 1:  c < 0
Case 2:  c = 0
Case 3:  c > 0

Justify your answers.

Phil and Matt made cookies for a fundraiser at their high school.
- Phil made 25% more cookies than Matt
- The cookies sold for $0.25 each
- After the sale, 20% of the combined total of their cookies remained.

Consider the three points (-4,-3) , (20,15) , and (48,36).

At the beginning of an experiment, the number of bacteria in a colony was counted at time t = 0.  The number of bacteria in the colony t minutes after the initial count is modeled by the function b(t) = 4(2)^t.  Which value and unit represent the average rate of change in the number of bacteria for the first 5 minutes of the experiment?   Select all that apply.
A.)  24.0                      E.)  bacteria
B.)  24.8                      F.)  minutes
C.)  25.4                      G.)  bacteria per minute
D.)  25.6                      H.)  minutes per bacteria