Find a unit vector u in the direction of the given vector.
A. 
B. 
C. 
D. 
Answer: A
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Complete the magic (addition) square. A magic square has the property that the sum of the numbers in any row, column, or diagonal is the same.Use each number 19, 20, 21, 22, 23, 24, 25, 26, and 27 once.
A. 
B. 
C. 
D. 
Add or subtract as indicated.Subtract:
A. -6x5 - 13x2y - 4y2 B. 15x8y3 C. -6x5 - 13x2y + 34y2 D. -6x5 - 10x2y - 4y2
Sinclair wishes to supplement his retirement income by $400 per month for the next 14 years. He plans to obtain a reverse annuity mortgage (RAM) on his home to meet this need. Estimate the amount of the mortgage he will require if the prevailing interest rate is 11% per year compounded continuously. Please round the answer to the nearest dollar. ? $__________
Fill in the blank(s) with the appropriate word(s).
Answer the question.If one form of the correct answer of a difference of two rational expressions is 
, what would be an alternate form of the answer be if the denominator is 5 - k?
A. 
B. 
C. 
D. 