These videos might help you
https://www.khanacademy.org/math/algebra/systems-of-linear-equations/systems-of-linear-equations-wor...
this is non linear because the rate of change is not constant.
3rd answer
Answer:
x>6 that's means x is greater than 6
Answer:
13/20
Step-by-step explanation:
65%=65/100
65/100=13/20