Solve the problem.A doctor has told a patient to take vitamin pills. The patient needs at least 45 units of vitamin A, at least 9 units of vitamin C, and at least 83 units of vitamin D. The red vitamin pills cost 
each and contain 8 units of A, 1 unit of C, and 7 units of D. The blue vitamin pills cost 
each and contain 4 units of A, 1 unit of C, and 12 units of D. How many pills should the patient take each day to minimize costs?
A. 9 red and 0 blue
B. 4 red and 5 blue
C. 6 red and 3 blue
D. 5 red and 4 blue
Answer: D
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Without using a calculator, determine whether the first number is divisible by the second number.Is 85,104,901 divisible by 11?
A. Yes B. No
Refer to the figure in which 
? 
and 
? 
. 
If CD = 12 m and AB = 25 m, find AD. (a) 16m (b) 20m (c) 24m (d) 50m
Provide an appropriate response.Decide if the system has one solution, no solution, or an infinite number of solutions. x + y = 3 x + y = 6
A. One Solution B. Infinite number of solutions C. No Solution
Solve. Remember to insert units when writing your answer.An oil drum holds 50 gal of oil. If 9 gal and 1 qt have been removed, how much oil remains?
A. 40 gal 7 qt B. 41 gal 3 qt C. 40 gal 3 qt D. 41 gal 1 qt