Solve the problem.Midtown Delivery Service delivers packages which cost $1.60 per package to deliver. The fixed cost to run the delivery truck is $110 per day. If the company charges $6.60 per package, how many packages must be delivered daily to break even?
A. 22 packages
B. 14 packages
C. 13 packages
D. 68 packages
Answer: A
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Simplify.
A. 
B. 
C. 
D. 
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to B = 3200(2)x, where x is time in days. Find the number of bacteria when 
and 
A. 3200; 25,600 B. 6400; 51,200 C. 3200; 51,200 D. 3200; 12,800
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 $42.40; to another, 2 of wheat, 3 of corn, and 5 of rye, for $43.30; and to a third, 3 of wheat, 5 of corn, and 2 of rye, for $40.10. What was the price per bushel for corn?
A. $1.60 B. $4.30 C. $3.60 D. $1.10
Solve the problem.Four times the sum of a number and four is the same as four more than the square of the number. Find the number(s).
A. 2 B. 6 C. -6 or 2 D. -2 or 6