Plz help pllz​

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

What is the value of the expression below? 148+(-6)| + |– 35= 7|