1) (-13 ) + (-5) = 6) (+5 ) x ( +4 ) =
2) (+17) + (-9 ) =
7) ( +3 ) x ( 6 ) =
3) (-9)-(-5) =
8) ( 8 ) x ( -7 ) =
4) (+9) - (-12 ) =
9) (-14 ) = (+2) =
5) (-10) - (-10 ) =
10) (-16) = ( 8 ) =
PLEASE HELP i'll give points

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?