Answer:
1/3 of the class didn't finish their work
Answer:
65000(1.02)^n.
Step-by-step explanation:
Salary = 65000(1.02)^n where n is the number of years he has worked for the company.
So after one year he earns $6500* 1.02 and after 2 years $65000 * 1.02^2.

Let

, and recall that in polar coordinates,

. This means you have

You can stop there, or try to find something that looks somewhat nicer.
The answer is C. Because it takes 5730 years for half of a sample of carbon-14 atoms to decay. It says that 50% of the carbon atoms have decayed so that means that 5730 years have elapsed for that fossil.
I hope that helps.
C is the correct answer because triangles always equal to 180 degrees