Perform the indicated operation. Simplify the result.
+ 
A. 
B. 
C. 
D. 
Answer: A
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Convert the temperature algebraically. Round the answer to one decimal place.153.1°F to Celsius
A. 243.6°C B. 307.6°C C. 67.3°C D. 102.8°C
Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
Answer the question or provide the appropriate response.Which of the following graphical methods may be used to find two positive numbers whose sum is 10 and whose product is 16? (More than one method may be correct.)(i) Graph the function y = x2 - 10x + 16 and find its x-intercepts.(ii) Graph the functions y1 = -x2 + 10x and y2 = 16. Find the intersection points of these two graphs.(iii) Graph the function y = x2 - 10x + 16 and find the coordinates of the vertex.
A. (i) only B. (iii) only C. (i), (ii), (iii) D. (i), (ii)
Provide an appropriate response.Multiply two fractions by 
the numerators and 
the denominators.
A. multiplying; canceling B. adding; multiplying C. multiplying; multiplying D. multiplying; adding