Please help im gonna fail

Find the sum of the following series. round to the nearest hundredth if necessary.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

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?