9 more than the sum of a number and 3 is 35

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15

If wxyz is a square, which statements must be true?