What is the area to my question

Choose the more precise measurement. 26.4 cm or 8.39 cm

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?

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?