The longest side is 24cm and the second-longest side is 20cm what is the length of the shortest side?

Answer this question, only if you know the answer. 30 points and brainliest!

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance