Solve the problem.Jimmy is a partner in an Internet-based coffee supplier. The company offers gourmet coffee beans for $15 per pound and regular coffee beans for $4 per pound. Jimmy is creating a medium-price product that will sell for $6 per pound. The first thing to go into the mixing bin was 12 pounds of the gourmet beans. How many pounds of the less expensive regular beans should be added?
A. 53 lb
B. 55 lb
C. 54 lb
D. 56 lb
Answer: C
Mathematics
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Provide an appropriate response.Is 
dx = 
+ C?
A. Yes B. No
Mathematics
Solve the problem.The accompanying tables represent a function f that converts seconds to hours and a function g that converts hours to days.
Express (f -1?g -1)(x) symbolically.
A. (f -1?g -1)(x) = 86,400x
B. (f -1?g -1)(x) = 
C. (f -1?g -1)(x) = 
D. (f -1?g -1)(x) = 86,400x2
Mathematics
Provide an appropriate response.What is the midpoint of the segment joining (a, z) and (-5a, 7z)?
A. (-3a, 4z) B. (-2a, 4z) C. (2a, 3z) D. (-4a, 8z)
Mathematics
Identify the numbers from the given list that belong to the indicated set. 7, 
, -7, 0, 
, 
, 0.56Irrational numbers
A. 
, 
B. 
, 
, 0.56
C. 
D. 
, 0.56
Mathematics