Can someone help me with this

Based on the figures as marked, /\rqs = —

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.

What is the gcf of 20c^3-5c^4+30c^6