Perform the indicated operations.(10x2 + 15x - 11) + (30x + 11)
A. 10x2 + 45x
B. 55x3
C. 10x2 + 45x - 22
D. 10x2 + 15x + 22
Answer: A
Mathematics
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature the highest?
A. 2 p.m. B. 5 p.m. C. 11 a.m. D. 1 p.m.
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Find a vector function that represents the curve of intersection of the two surfaces: The circular cylinder x²+y²=4 and the parabolic cylinder z=xy.
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Use the fundamental counting principle to count the number of outcomes. A local department store sold carpets in 3 sizes. Each carpet came in 2 qualities. One size of carpet came in 5 colors. The other sizes came in 3 colors. How many choices of carpet were there?
A. 28 B. 27 C. 22 D. 30
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Add. Write a mixed numeral for the answer.14
A. 25
B. 24
C. 23
D. 14
Mathematics