Timothy decides he wants to package 18 Yankees cards and 12 Mets cards to sell at a yard sale. Each packet must have the same number of each type of card

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

What is the area of the shaded sector?

Me i'm timed ! a. -2 to 1 b. -1.5 to 0.5c. 0 to 1d. 0.5 to 1.5