Add.(7n5 + 2n2 + 7) + (5n5 - 4n2 + 8)
A. 12n5 - 2n2 + 15
B. 25n7
C. 12 - 2n5 + 15n2
D. 12n5 + 3n2 + 10
Answer: A
Mathematics
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which two hour period did the temperature increase the most?
A. 9 a.m. to 11 a.m. B. 12 p.m. to 2 p.m. C. 10 a.m. to 12 p.m. D. 10 a.m. to 11 a.m.
Mathematics
Test the equation for symmetry with respect to the given axis, line, or pole.r = 3 sin 3?;
the line ? = 
A. has symmetry with respect to the line ? = 
B. may or may not have symmetry with respect to the line ? = 
Mathematics
Graph the circle.x2 + y2 = 4
A. 
B. 
C. 
D. 
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Solve.Given that loga 2 = 0.693, loga6 = 1.792, and loga4 = 1.386, find loga48.
A. 1.721 B. 3.178 C. 3.871 D. 4.178
Mathematics