Solve the problem using matrices.John has a jarful of quarters and nickels. There are 103 coins in the jar. The value of the coins is $14.35. How many of each type of coin?
A. 57 quarters and 46 nickels
B. 98 quarters and 5 nickels
C. 46 quarters and 57 nickels
D. 51 quarters and 52 nickels
Answer: C
Mathematics
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A. 1 - 
B. 
C. 
D. - 
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Evaluate the expression.83
A. 11 B. 64 C. 24 D. 512
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Solve the problem.For the triangle with vertices located at A(3, 4, 5), B(5, 5, 4), and C(1, 1, 1) , find a vector from vertex C to the midpoint of side AB.
A. 
i + 1j + 
k
B. 5i + 
j + 
k
C. 3i + 
j + 
k
D. 4i + 
j + 
k
Mathematics
Solve the system of equations by substitution.
A. (7, 0) B. (0, -7) C. (1, -8) D. no solution
Mathematics