Write a system of equations for the problem, and then solve the system.The manager of a candy shop sells chocolate covered nuts for $7 per pound and chocolate covered raisins for $11 per pound. The manager wishes to make a 200-pound 
mixture that will sell for $8 per pound. How many pounds of each should be used?
A. Nuts: 50 lb; raisins: 150 lb
B. Nuts: 100 lb; raisins: 100 lb
C. Nuts: 150 lb; raisins: 50 lb
D. Nuts: 125 lb; raisins: 75 lb
Answer: C
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List the items mentioned. Try to organize your list in a systematic way.Slips of paper numbered 1 through 5 are put in a hat. One slip is drawn and called and then a second slip is drawn without replacing the first. List all possible ways the two numbers could be called.
A. (1, 2), (1, 3), (1, 4), (1, 5), (2, 3), (2, 4), (2, 5), (3, 4), (3, 5), (4, 1), (4, 2), (4, 3), (4, 5) B. (1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (2, 1), (2,2), (2, 3), (2, 4), (2, 5), (3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (5, 1), (5, 2), (5, 3), (5, 4), (5, 5) C. (1, 2), (2, 1), (3, 2), (2, 3), (3, 1), (4, 2), (2, 4), (4, 1), (4, 3), (3, 4), (5, 1), (1, 5), (4, 5), (5, 4), (1, 4), (1, 3), (3, 5) D. (1, 2), (1, 3), (1, 4), (1, 5), (2, 1), (2, 3), (2, 4), (2, 5), (3, 1), (3, 2), (3, 4), (3, 5), (4, 1), (4, 2), (4, 3), (4, 5), (5, 1), (5, 2), (5, 3), (5, 4)
Solve the problem.Find an equation of the circle that passes through the points (4, 6), (-6, 2), and (1, -3).
A. 
2 + 
2 = 
B. 
2 + 
2 = 
C. 
2 + 
2 = 
D. 
2 + 
2 = 
Provide an appropriate response.A large oil company produces three grades of gasoline: regular, unleaded, and super-unleaded. To produce these gasolines, equipment is used which requires as input certain amounts of each of the three grades of gasoline. To produce a dollar's worth of regular requires inputs of src="https://sciemce.com/media/4/ppg__tttt0616191201__f1q58g3.jpg" alt="" style="vertical-align: -4.0px;" /> worth of super-unleaded. To produce a dollar's worth of super-unleaded requires inputs of 
worth of regular, $0.18 worth of unleaded, and $0.17 worth of super-unleaded. To produce a dollar's worth of unleaded requires inputs of $0.14 worth of regular, 
worth of unleaded, and 
worth of regular, $0.17 worth of unleaded, and $0.11 worth of super-unleaded. In addition, the oil company has final demands for each of the different grades of gasoline. Find the coefficient matrix that would be used in determining the total output of each grade of gasoline.
A.
A = 
B.
A = 
C.
A = 
D.
A = 
Complete the ordered pair so that it is a solution of the given linear equation.y = -5x - 9;(-3, ), (-9, ), (0, )
A. (-3, -3) (-9, 36) (0, -9) B. (-3, 6) (-9, 36) (0, -9) C. (-3, 6) (-9, 36) (0, 36) D. (-3, 6) (-9, -9) (0, -9)