What is the reason for statement 3, statement 5, statement 7?

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x. (30 points pls )

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Acourgette seed and a pumpkin seed is planted p(courgette seed germinates) 4/5 and p(pumpkin seed germinates) = 1/6 what is the probability that both seds germinate