I don’t know how to graph f(x)= 5 - 1.5

What are the solutions of the following system? y=-2x^2 y=x-2

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!

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )