Which method should be used to solve the system? Explain your answer, including a description of the first step.7x2 + 4y2 =81-7x - 7y =3
What will be an ideal response?
Substitution should be used, because using elimination would mean introducing an xy term into the second equation unnecessarily. The second equation should be solved for x or y.
Mathematics
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The triangles are similar. Find the angle or side that corresponds to the given angle or side in the other triangle.AC
A. ST B. RT C. RS D. Cannot be determined
Mathematics
Construct the requested statistical display.The data below give the figures for the United States production of canned fruit from 2002 to 2009. Make a line graph for the data. 
Year
What will be an ideal response?
Mathematics
Provide an appropriate response.am ? an = 
A. am - n B. amn C. am + n D. a2m
Mathematics
Multiply.
A. 25x2 - 
x - 
B. 25x2 + 
C. 5x2 - 
D. 25x2 - 
Mathematics