Ataxi driver charges a fixed rate of r to pick up a passenger. in addition, the taxi driver charges a rate of m for each mile driven. write a formula to represent t, the total amount this taxi driver will charge for a trip of n miles

Hiroki wrote a number that is the opposite of -3. what number did hiroki write? a. ⅓ b. 3 c. 0 d. -3

7x+8y=-18, 4x-9y=-3 solve the system of equations

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?