Use elimination by substitution to find the solution for the following system.
A. x = 10, y = 5
B. x = 9, y = 6
C. x = 10, y = 9
D. The system is inconsistent.
Answer: B
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Solve the problem.Find a curve through the point 
whose length integral, 1 ? x ? 2, is 
A. y = 
x3
B. y = 
x4
C. y = 3x4
D. y = 3x3
Write the word name for the number.The programmers were working with a graphics file of 406,581,060 bytes.
A. Four hundred sixty million, five hundred eighty-one thousand, six hundred B. Four hundred six thousand, five hundred eighty-one hundred, sixty C. Four hundred six billion, five hundred eighty-one million, sixty D. Four hundred six million, five hundred eighty-one thousand, sixty
Provide an appropriate response.Perform the indicated operation, leaving the answer in lowest terms: 
+ 
=
A. 
B. 
C. 
D. 
Write the expression in the standard form a + bi.
A. -i B. -1 C. 1 D. i