Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 - 
x
A. 
; 
2
B. 0; 
2
C. 
; 
2
D. 
; 
2
Answer: A
Mathematics
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Find a unit vector u in the direction of the given vector.
A. 
B. 
C. 
D. 
Mathematics
Fill in the blank with one of the words or phrases listed below. 
A number's distance from 0 is called its
.
A. absolute value B. solution C. union D. intersection
Mathematics
Solve the problem.Of the fifty states in the United States, 12 have at least one mountain higher than 12,000 feet. What fraction of states have at least one mountain higher than 12,000 feet? Write your answer in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Change the improper fraction to a mixed number or a whole number.
A. 5
B. 3
C. 4
D. 4
Mathematics