What is the volume? i’m lost. how do i work it? much appreciated!

Assume cd | ab are parallel. find m2. a) x= 50° (b) x = 70° c) x = 30° d) x = 60

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

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers