Write an equation in Standard Form given two points. (-3, 1) and (5, 4)

Extra points! find the missing dimension! need asap

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax