Solve.A grain dealer sold to one customer 5 bushels of wheat, 2 of corn, and 3 of rye, for $17.70; to another, 2 of wheat, 3 of corn, and 5 of rye, for $21.30; and to a third, 3 of wheat, 5 of corn, and 2 of rye, for $18.60. What was the price per bushel for corn?
A. $1.60
B. $1.10
C. $2.30
D. $1.96
Answer: D
Mathematics
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Find an exponential model for the following data set. Round your answer to two decimal places. t 0 1 2 3 y 8.07 7.26 6.53 5.88?
A. 
B. ?
C. ?
D. ?
Mathematics
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (0, -25), (0, 25); asymptotes: y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Solve the problem.Let f(x) = sin x, g(x) = x - ?/6, and h(x) = 5x. Find h(f(g(x))).
A. 5 sin(x - ?/6) B. sin(5x - ?/6) C. 5 sin x D. sin(5[x - ?/6])
Mathematics
Find the part.5000% of 128 universities
A. 6400 universities B. 640,000 universities C. 640 universities D. 64,000 universities
Mathematics