3 x 12 would equal 36, +1 would make it 37. Since there is no space in between 2 and the (, you multiply it. 37 x 3 = 111
So, Jeff should order 111 books
Answer: 
Step-by-step explanation:

Can’t answer without an image of the angle, sorry
Answer:
40 degrees Celsius (40°C)
hopefully this helped :3