At a diving competition, mean is usually used to calculate a diver’s score. The highest and lowest score from 10 judges are not included in calculating the score for each diver. Explain why they might do this? plzz help

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.