Which equation shows y+1/5=3x in standard form?

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

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?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?