HELP ASAP. Find the set.

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?

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart