Given the polynomial 21x4 + 3y - 6x2 + 34
1. what polynomial must be subtracted from it to obtain 29x2.7?
2. what polynomial must be added to it to obtain a first degree polynomial?

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?