Which equations show the identity property of multiplication?
choose exactly two answers that are correct.
a.
4.2 = 1 • 4.2
b.
0 • (–8) = 0
c.
–3 • 1 = –3
d.
-1/4 • (–4) = 1

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

What is the result of adding the system of equations? 2x+y=4 3x-y=6

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?