Predict the general, or nth term, an, of the sequence.1 ? 10, 2 ? 11, 3 ? 12, 4 ? 13, 5 ? 14 . . .
A. n + 9n
B. n(n + 10)
C. n(n + 9)
D. n(n - 9)
Answer: C
Mathematics
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)
A. 
B. - 
C. 
D. 
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Mathematics
Solve the problem.A picture 17 inches by 23 inches is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the mounted picture is 667 square inches?
A. 5.5 in. B. 5 in. C. 3 in. D. 4 in.
Mathematics