Awnser is c I just did this
Answer:
38%
Step-by-step explanation:
The additional wage compared 12 years of education to 16 years of education is:

Answer:
So minute hand will rotate
in half an hour
Step-by-step explanation:
In one hour minute hand of clock rotate about 360°
So in half an hour minute hand clock rotate 
We have to find how many minute hand rotate in radian
For conversion of degree to radian we have to multiply with 
So 
So minute hand will rotate
in half an hour
Complementary angles add up to 90 degrees. Supplementary angles add up to 180 degrees, so no.
The answer is No.................