Given matrices A and B, find the indicated matrix if possible.A = 
, B = 
Find AB.
A. AB is not defined.
B. 
C. 
D. 
Answer: A
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Solve the problem.Find the area of a circle with diameter 11 cm. Use ? ? 3.14.
A. 69.08 square cm B. 94.985 square cm C. 34.54 square cm D. 379.94 square cm
Round as indicated.
to the nearest thousand
A. 
B. 
C. 
D. 
Solve the problem.Suppose that the total annual consumption of salmon in a certain country is given by 
and that the total annual consumption of tuna in this country is given by 
, where consumption is measured in millions of pounds and x is the number of years since 2010. When consumption of salmon reaches consumption of tuna, what is the annual consumption of salmon?
A. 894.89 million pounds B. 893.4 million pounds C. 897.87 million pounds D. 890.42 million pounds
Add or subtract as indicated.-20 + (-10)
A. 30 B. -10 C. 10 D. -30