physics 20-inclined plane

[stove167]

i cant figure out this question? i did a lab where you roll a cart down an inclined plane.
i need to figure out Fnet the friction and the coefficient of friction.what i have so far is:
m=0.949kg
Fg=9.31N
Fn=9.26N
Fpar=0.973N
a=0.709m/s2
thanks in advance

sorry this should be in the coursework section

[hage567]

What are you thoughts on the problem? Explain your numbers. You are required to show some effort to get help.