Find the magnitude of the vector.
?
?
A. ?
B. ?
C. ?
D. ?
E. 
Answer: E
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Factor completely.49p2q2 + 28pq + 4
A. (7p + 2q)2 B. (7pq + 2)2 C. (7pq - 2)2 D. (7pq + 2)(7pq - 2)
The table shows the fraction of the world's surface land area taken up by each continent. Use the table to answer the question. Write your answer in simplest form. Continent Fraction of World's Surface Land Area North America 
South America 
Europe 
Africa 
Asia 
style="vertical-align: -17.0px;" /> Australia 
Antarctica 
Find the fractional part of the world's land area within the continents of Australia and Asia.
A. 
B. 
C. 
D. 
Find the indicated function value.Find g(a - 1) when g(x) = 5x - 3.
A. 5a - 5 B. 5a C. 5a - 11 D. 5a - 8
Add or subtract. Assume all variables represent positive real numbers.3 
+ 4xy 
A. 11 xy3
B. 11x2y3
C. 7xy4
D. 7x2y4