The answer is the third one need any more help let me know
Answer:
I think b) is the answer I solve it but
Answer:

Step-by-step explanation:
because you put each thing to the power
Answer:
6.28 or 157/25
Step-by-step explanation:
Firstly, you find the formula for the circumference of a circle which is C= PI ( diameter)
So since the radius is 1 you multiply it by 2 and get 2 so then you multiply 2 by 3.14 (pi) and get 6.28
I hope this helped!!!

Answer:
B) A and D
Step-by-step explanation:
Below sea level already implies negative.
And on a number line, it should be -500