Translate the problem to a system of equations, then solve using matrices.A grain dealer sold to one customer 5 bushels of wheat, 2 of corn, and 3 of rye, for $18.50; to another, 2 of wheat, 3 of corn, and 5 of rye, for $22.50; and to a third, 3 of wheat, 5 of corn, and 2 of rye, for $19.50. What was the price per bushel for corn?
A. $2.06
B. $1.50
C. $2.00
D. $2.50
Answer: A
Mathematics
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Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
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Find the quotient.
A. 138 B. 141 R 51 C. 138 R 20 D. 141 R 5
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