I don’t really understand this can some help me with the right answer

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

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?