Solve the problem.The solution set of the system y1 = -x + 5 and y2 = -2x + 7 is {(2, 3)}. Using slopes and y-intercepts, determine which of the two calculator-generated screens, left or right, is the appropriate one for this system.
A. Left
B. Right
C. Neither is correct.
D. Both could be correct.
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Use dimensional analysis to answer the question. Last Friday, the temperature was 47°C and today the temperature was 58.1°F. Which day was colder?
A. Today was colder. B. The temperatures were the same. C. Last Friday was colder.
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Match the description with the correct symbolic expression.a horizontal line
A. 11x + 6y = -3 B. y = -6x + 11 C. f(x) = 6 D. x = -6
Mathematics
Determine the domain of the function.r(x) = 
A. {x| x ? 6 and x ? 8} B. {x| x ? -6 and x ? -8} C. {x| x ? 5 and x ? -4} D. {x| x ? -5 and x ? 4}
Mathematics