Can someone please help me with this !?

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.