Matrix A is given. Find appropriate identity matrices Im and In such that ImA = A and AIn = A.A = 
A. Im = 
, In = 
B. Im = 
, In = 
C. Im = 
, In = 
D. Im = 
, In = 
Answer: A
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Determine how many vertices and how many edges the graph has.
A. 5 vertices; 7 edges B. 7 vertices; 5 edges C. 5 vertices; 5 edges D. 5 vertices; 8 edges
Provide an appropriate response.In scientific notation, what is the smallest positive integer which can be multiplied by a power of 10?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.A person burns 7.3 calories per minute while walking. How many calories will be burned if the person walks for 3 hours?
A. 13,140 calories B. 219 calories C. 1314 calories D. 21.9 calories
Suppose the quantity demanded per week of a certain dress is related to the unit price 
by the demand equation 
, where
src="https://sciemce.com/media/3/ppg__cognero__4.4_Optimization_I__media__40eed320-18ef-4be7-b526-044e4526063b.PNG" style="vertical-align:middle;" /> is in dollars and 
is the number of dresses made.
?
To maximize the revenue, how many dresses should be made and sold each week? (Hint: 
). Round the answer to the nearest integer.
?
A. 62 dresses
B. 64 dresses
C. 69 dresses
D. 67 dresses