What's the slope of this graph

Acircle has a circumference of 28.36 units what is the diameter of the circle

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i