What integer represents the origin of a number line?

Which of the following points is collinear with (-2,1) and (0,3)

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

Rationalize the denominator- 12x/√x-10