Solve the problem.A bakery sells four main items: rolls, bread, cake, and pie. The amount of each of five ingredients (in cups, except for eggs) required to make a dozen rolls, a loaf of bread, a cake, or a pie is given by matrix A. Eggs Flour Sugar Shortening Milk 
= AThe cost (in cents) per unit of ingredient when purchased in large lots or small lots is given in matrix B. Cost Large Lot Small Lot 
src="https://sciemce.com/media/4/ppg__tttt0508191537__f1q103g4.jpg" style="vertical-align: -40.0px;" /> = BUse matrix multiplication to find a matrix giving the comparative cost per item for the two purchase options. Give each cost to the nearest cent.
A. 
B. 
C. These matrices cannot be multiplied.
D. 
Answer: B
Mathematics
src="https://sciemce.com/media/4/ppg__tttt0508191537__f1q103g4.jpg" style="vertical-align: -40.0px;" /> = BUse matrix multiplication to find a matrix giving the comparative cost per item for the two purchase options. Give each cost to the nearest cent.
A.
B.
C. These matrices cannot be multiplied.
D.
Answer: B
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Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
For ?ABC, given the measures of ?A and ?B, find the measure of ?C.?A = 25° and ?B = 3°
A. ?C = 152° B. ?C = 62° C. ?C = 332° D. ?C = 28°
Match the given graph with its equation.
A. 
+ 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Write an inequality of the form 
or of the form 
so that the inequality has the given solution set.(-?, -9] ? [9, ?)
A. 
? 0
B. 
? 0
C. 
? 9
D. 
? 9