Express the following ratio as a fraction in lowest terms.21 cents to 9 cents
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A grain dealer sold to one customer 5 bushels of wheat, 2 of corn, and 3 of rye, for $34.20; to another, 2 of wheat, 3 of corn, and 5 of rye, for $42.00; and to a third, 3 of wheat, 5 of corn, and 2 of rye, for $39.00. What was the price per bushel for corn?
A. $2.40 B. $4.50 C. $2.90 D. $4.61
Mathematics
The figure shows an angle ? in standard position with its terminal side intersecting the unit circle. Evaluate the indicated circular function value of ?.Find cos ?.
A. - 
B. - 
C. 
D. - 
Mathematics
Name the quadrant in which the point is located. (-2, 5)
A) I B) II C) IV D) III
Mathematics
Find the sum of the first 13 terms of the arithmetic progression: 3, - 4, - 11,...
a. - 39 b. - 500 c. - 507 d. - 1,521
Mathematics