Solve the 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
Suppose a day's orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50 cakes, and 60 pies. Write the orders as a 1 X 4 matrix and, using matrix multiplication, write as a matrix the amount of each ingredient needed to fill the day's orders.
A. These matrices cannot be multiplied.
B. 
C. 
D. 
Answer: C
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Find the area of the specified region.Inside the graph of r = 3 + cos 3?
A. 
+ 
B. 19?
C. 
D. 19? + 
Solve the problem.The height of the tower is 9 times the height of the building next to it. If the tower is 36,000 ft tall, then what is the height of the building?
A. 7000 ft B. 4000 ft C. 6000 ft D. 5000 ft
Multiply.(x + 
)(x - 
)
A. x2 + 16x - 7
B. x2 - 16x - 7
C. x2 - 
D. x2 - 16
Solve the problem.
A man plans to invest $15,000 over 4 years in an annuity at 6%, and he wants the best plan. Annuity 1 is a monthly ordinary annuity of $312.50 compounded monthly. Annuity 2 is a semiannual ordinary annuity of $1875.00 compounded semiannually. Annuity 3 is a quarterly annuity due of $937.50 compounded quarterly. Annuity 4 is a yearly annuity due of $3750.00 compounded annually. What annuity yields the greatest future value?
A. Annuity 2 B. Annuity 4 C. Annuity 3 D. Annuity 1