Please help! I will mark as brainliest IF answer is right. <3

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

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?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)