The answer is 15. just replace the letters with the numbers they're equal to.
Period =2r /b
assume frequency factor meaning angular frequency "b"
then
2r= 2r/b => b=1
A. sine function whose period 2pi radians
Answer:
the answer of given question is 1/5
The equation of the line is x=4
900/18=50
On average, 50 students rode each bus
Hope this helps!