Simplify.
A. m3
B. m2
C. m
D. m2
Answer: B
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Given matrix A, find the indicated cofactor.Find A12.A = 
A. 11 B. -11 C. 18 D. 19
It can be shown that 
= 1. Use this fact and the integral test to construct an appropriate convergent infinite series. Is 
the correct series?Enter just "yes" or "no".
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The temperature of water in a certain lake on a day in October can be determined by using the model 
where x is the number of feet down from the surface of the lake and y is the Celsius temperature of the water at that depth. Based on this model, how deep in the lake is the water 13 degrees? (Round to the nearest foot.)
A. 53 feet B. 23 feet C. 60 feet D. 4 feet
Provide an appropriate response.Make up a subtraction problem in which the difference between two negative numbers results in a positive number.
What will be an ideal response?