Is the line through points p(0, –9) and q(2, –8) perpendicular to the line through points r(1, 4) and s(3, 3)? explain

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.

Use circumcenter theorem to solve for the given values

Wrote and expression for the difference of p and 4