THIS IS DUE IN 20 MINUTES HELP ME PLEASEEE (no links i know what ur doing)

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?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

I’m confused on how to work the pie charts