Simplify, where possible.-3b + 7b
A. -10b
B. 4b
C. 4b2
D. -4b
Answer: B
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = - 
A. 
B. 
C. 
D. 
Mathematics
Restate the fact as indicated.The population of the United States in 2000 was roughly 280 million. Express this as the number of people per square mile. The land area of the United States is roughly 3,536,000 square miles.
A. 0.8 people per square mile B. 79 people per square mile C. 8 people per square mile D. 790 people per square mile
Mathematics
Provide an appropriate response.Why is finding the value of logaa6 like answering the question "What is the name of the girl whose name is Jane?"
What will be an ideal response?
Mathematics
Find the product.(2x - 7y)2
A. 2x2 + 49y2 B. 4x2 - 28xy + 49y2 C. 4x2 + 49y2 D. 2x2 - 28xy + 49y2
Mathematics