I pretty sure if u keep trying your best and working hard on your homework you'll make it to a A+
900-2*x>500
2x<900-500
2x<400
x<200
Answer:Beth can ride the bus less 200 times
Factor out a 3x:
3x(x2+4x+6)
Since you can't factor out the quadratic that's as far as it goes:
Answer:
3x(x2+4x+6)
Okay so 3/25 (OF) 140 you'd have to do 140 divided by 25 then times that answer by 3. 140 divided by 25 = 5.6. 5.6 x 3 = 16.8. You can't have 16.8 people so you round it which makes it 17 people.
Hints:
cos(x) has a maximum at x=0.
It is also a periodic function with a period of 2pi.