Help can someone check if I am correct I will mark brainliest!!!

A. 70° - (my answer)
B. 66°
C. 38°
D. 40°

Show some work, if possible. Thanks❤️

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,

The longer leg of a 30-60-90 trangle is 18