James and Sarah went out to lunch. The price of lunch for both of them was $60. They tipped their server 10% of that amount.

Which is the graph of the function y=2(4)^x

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 the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab