Answer:

Step-by-step explanation:
Given radius
and arc length
.


Answer:
D) 4x=85, x=21.25
Step-by-step explanation:
If the total is 85$, and every shirt costs the same amount, then you would divide 85 by 4.
That will leave you with 21.25 per shirt.
if you do not have a Unit Circle, this is a great time to get one, you can find many online just do a quick search for "unit circle".
Check the picture below.
Answer:
The answer is C
Step-by-step explanation:
Both f(x) and g(x) have a domain of [0,infinite). and a range of [0, infinite).