Yuson must complete 30 hours of community service. She does 2 hours each day. Which linear equation represents the hours Yuson has left after x days? A- y=-2x+20
B- y=2x+30
C- y=-2x-30
D- y= 2x-30

Part B
Yuson must complete 30 hours of community service. She does 2 hours each day. A linear equation represents the hours Yuson has left after x days.
For the graph of the equation, what does the y-intercept represent?

A- Hours left to complete
B- Total hours of service
C- Hours completed each day
D- Days it takes to completes 30 hours