Which side lengths form a right triangle? Choose all that apply: (Choice A) 3, 4, 5
(Choice B) 7, 8, 9
(Choice C) 3, 9, 9.75

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

Can any one me with the answers to these questions asap?

Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j- 0.12=4+1.1j