“M” and “N” are two events P(M) = 0.70, P(N) = 0.50, P(M and N) = 0.40. Find the probability of P(M or N)

A) 0.90
B) 0.70
C) 0.80
D) 1.20

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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?