Solve the problem.A grain dealer sold to one customer 4 bushels of wheat, 5 of corn, and 3 of rye, for $23.10; to another, 5 of wheat, 3 of corn, and 4 of rye, for $25.30; and to a third, 3 of wheat, 4 of corn, and 5 of rye, for $28.40. What was the price per bushel for corn?
A. $3.90
B. $1.60
C. $1.40
D. $1.10
Answer: C
Mathematics
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A. 
B. - 
C. 
D. - 
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Given the set of real numbers, list the numbers that belong to the given set.{2, 
, -23, 0, 
, 3.
, - 
, 3.31}Integers
A. 2, -23
B. 2, 0
C. 2, -23, 0
D. 2, -23, 0, 
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Solve the inequality. Give the solution set in both set-builder notation and graph form.-21 < -4x + 3 ? -5
A. 
B. 
C. 
D. 
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Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.12z2 - 7z - 12
A. (12z - 4)(z + 3) B. prime C. (3z + 4)(4z - 3) D. (3z - 4)(4z + 3)
Mathematics