How to write 34 on 5 ways of ten and ones.

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if