What is the difference (2x-3) - (x- 1) x-4 x-2 x+2 x+4

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Math it's appreciated. (picture provided)

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?