Solve each problem.Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A. Eggs Flour Sugar Shortening Milk
= A
The cost (in cents) for each ingredient when purchased in large lots or small lots is given in matrix B. Cost
Large Lot Small Lot
= B
Suppose a day's orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50 cakes, and 60 pies. Use matrix multiplication to find a matrix giving the costs under the two purchase options to fill the day's orders.
A. 
B. 
C. 
D. These matrices cannot be multiplied.
Answer: B
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Solve the problem.The number of cows that can graze on a ranch is approximated by C = 9x + 5y - 5, where x is the number of acres of grass and y the number of acres of alfalfa. If the ranch has 80 acres of alfalfa and 65 acres of grass, how many cows may graze?
A. 980 cows B. 1045 cows C. 1040 cows D. 985 cows
Solve the problem.A note with a face value of $4300 was discounted at 
If the discount was 
find the length of the loan in days.
A. 90 days B. 59 days C. 60 days D. 30 days
Calculate the slope of the line.
A. 0 B. Undefined C. 2 D. 1
Solve the equation for all complex solutions, giving exact forms in your solution set.4x4 + 3x3 - 101x2 - 75x + 25 = 0
A. 
B. 
C. 
D. 