Solve the system by elimination.3x - y = 45x + y = 20
A. {(x, y)|3x - y = 4}
B. {(5, 3)}
C. {(3, 5)}
D. ?
Answer: C
Mathematics
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Provide an appropriate response.A mill is one hundredth of a dollar.
A. True B. False
Mathematics
The circle or ellipse shown in the calculator-generated graph was created using function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?(x - 1)2 + (y - 1)2 = 1
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Solve the inequality and graph the solution set.
? 20
A. -18 ? x ? 22 ; [-18, 22]
B. x ? -18 ; (-?, -18]
C. x ? -18 or x ? 22 ; (-?, -18] ? [22, ?)
D. x ? 22 ; (-?, 22]
Mathematics
Change the exponential expression to an equivalent expression involving a logarithm.163/2 = 64
What will be an ideal response?
Mathematics