Suppose that E and F are two events and that P(E) = 0.4 and P(FE) = 0.5. What is P(E and F)? P(E and F)=| (Simplify your answer.)

i got 86 for this

hope this !

if you need an explanation just ask

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two