Provide an appropriate response.Suppose that A and B are both matrices of dimension r × s. Under what condition(s) can both the product AB and the product BA be found?
A. If r = s (Both matrices are square.)
B. If r > 1
C. If r = 1
D. There are no conditions under which both products can be found.
Answer: A
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Provide an appropriate response.Find the area of the lattice polygon.
A. 6 B. 8 C. 12 D. 2
Make a bar graph using the given frequencies.The frequency distribution indicates the test averages of a group of 420 students.
A.
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B.

C.
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D.

Find the square root. If it is not a real number, say so.
A. 0.08 B. 0.004 C. 0.4 D. 0.04
Assume that the demand function for tuna in a small coastal town is given by where p is the price (in dollars) per pound of tuna and q is the number of pounds of tuna that can be sold at the price p in 1 month. Calculate the price that the town's fishery should charge for tuna in order to produce a demand of 625 pounds of tuna per month.
?
A. $1 B. $2 C. $1,200 D. $800 E. $32