Ilost my key to my house can someone give me ways to find it?

Find the equation using the point (4,8)

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?