Write the equivalent expression to x-3y+7

ILL MARK BRAINLIEST

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241. a) 0 b) 1 c) 2 d) 1 2

Which of the following statement about pascal's triangle are true?

How to do this , and can some one explain