Please help!! This goes for both function f and k

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?

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)