Simplifying the following expression:
6x + 2(3x + 5) + (-9)

Aportion of a line bounded by two points is defined as

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Which statement justifies why angle ebc measures 90?