Find the reference angle of the angle = 850°​

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?

What is the sum of these mixed numbers 4 2/3+ 3 1/9

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?