Collect like terms.9a - 6a + 3
A. 15a + 3
B. 6a
C. 3a + 3
D. -3a + 3
Answer: C
Mathematics
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Plot the point in the rectangular coordinate system.(1.5, -6.5)
A. 
B. 
C. 
D. 
Mathematics
Write the sum without sigma notation and evaluate it.
A. -cos 2? + cos 4? - cos 6? = -1 B. cos 2? - cos 4? + cos 6? = - 1 C. cos 2? + cos 6? = 2 D. cos 2? - cos 4? + cos 6? = 1
Mathematics
Solve the problem.The following data represents the Olympic winning time in Women's 100 m Freestyle. 
Find the slope of the line of best fit for the data set and interpret it.
What will be an ideal response?
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature 77°?
A. 2 p.m. B. 12 p.m. and 3 p.m. C. 11 a.m. and 12 p.m. D. 11 a.m. and 12 p.m. and 3 p.m.
Mathematics