Hey Kiddo.
The domain is the first number of each set.
Domain, 3, 6, -1, 5, -4
This is a difference of squares problem. You just have to make sure every term is a perfect square and that there is subtraction in the problem.
There would be 14 female and 7 male, so the total number of students is 21.
Please say brainliest.
It would be 18 degrees.
5% of 360(the total number of degrees in a circle) = 18 degrees