The scatter plot shows the number of customers in a restaurant for hours of the dinner services on two different saturday nights. the line shown models this relationship, and x=0 represent 7: 00pm

a. what does the value y-intercept represent in the context of the problem (shown inherent attachment)

b. what is the slope of the line?

c. write an equation to represent the line of nest fit drawn

d. wat is the number of customers the restaurant should expect at 8: 30pm?