Answer:
The first one 6+7i+(4-3i) and the last one 12+6i-(2+2i) are equivalent
B i think on #2
hope this helps
Answer:

Step-by-step explanation:
A revolution is 360 degrees.
5/6 of a revolution is 5/6 of 360 degrees.
5/6 × 360 = 300
Answer:
3 because 3 x 2 + 3 x 8 = 30 and 3(2+8)=30
He will give about 99 prizes to each student