Super confused on what to do on these questions

Handwritten work. 1. (8 points) In (a) - (h), find the probability of the indicated event if P(E) = 0.2 and P(F) = 0.5 (a) P(E or F) if P(E and F) = 0.25 (b) P(E and F) if P(E or F) = 0.65 (c) P(E or F) if E and F are mutually exclusive