Which point on the unit circle corresponds to -π?

(0,-1)
(1,0)
(0,1)
(-1,0)

Ihave trouble finding the nth term of a linear sequence

2x + 3y = 17 5x + 6y = 32 usibg method if elimination

Determine whether the question is a statistical question. explain. 1. what is the eye of sixth grade students? 2. at what temperature (in degree fahrenheit) does water freeze? 3. how many pages are in the favorite books of students your age? 4. how many hours do sixth grade students use the internet each week? you!