A forest covers 77,000 acres. A survey finds that 0.8% of the forest is old-growth trees. How many acres of old-growth trees are there? There are acres of old-growth trees. Type an integer or a decimal)

Evaluate the expression for the given value of the variable 7a - 4a for a =8

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

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?