If anyone is in algebra 1 on ignitia schools, I need mega help & answers.

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?