What is a polynomial?

For what value of jn is mn parallel to kl

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x