Help me in these im stuck in all the question plz and ty and ill give u 50pt on my next question

The diameter of a table is 5 feet. what is the circumference

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?

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°