Multiply.(a - 1)(a - 5)
A. 2a2 - 5
B. 2a + 5
C. a2 + 6a - 5
D. a2 - 6a + 5
Answer: D
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Use the properties of real numbers to simplify the expression.- 
+ 
+ 
+ 
A. 0 B. 4 C. 8 D. 2
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.
Provide an appropriate response.A 20-year loan for $100,000 is to be amortized by equal semiannual payments. If interest is at the nominal rate of 10% compounded semiannually, find (a) the semiannual payment; (b) the interest in the first payment; (c) the principal repaid in the first payment.
What will be an ideal response?
Solve the problem.If cos ? = 
, ? in quadrant IV, find the exact value of tan
A. 
B. 
C. 
D. 