Provide an appropriate response.An approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires is given by p = -x3 + 15x2 - 48x + 450, x ? 3. Find the number of hundred thousands of tires that must be sold to maximize profit.
A. 10 hundred thousand
B. 3 hundred thousand
C. 5 hundred thousand
D. 8 hundred thousand
Answer: D
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Describe the situation with a linear inequality and then solve the inequality.It takes 17 minutes to set up a candy making machine. Once the machine is set up, it produces 60 candies per minute. Use an inequality to find the number of candies that can be produced in 8 hours if the machine has not yet been set up.
A. ? 8160 candies B. ? 480 candies C. ? 27,780 candies D. ? 7140 candies
Provide an appropriate response.Determine which ordered pair IS a solution for the equation: 4y = x + 5
A. (-5, 0) B. (-1, -9) C. (3, 7) D. (-2, -3)
Solve. Write the answer in simplest form.Marty jogged 
of a mile from home and then rested. Then he continued jogging another 
of a mile until he discovered his watch had fallen off. He walked back along the same path for 
of a mile until he found his watch. Find how far he was from his starting point.
A. 
mi
B. 
mi
C. - 
mi
D. 
mi
Solve.A bag contains 8 red marbles, 4 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 
B. 
C. 9
D. 