I NEED SOME ASSISTANCE ON THIS QUESTION!

Use the distance formula to determine the distance that point q is from r on the hypotenusebased on a 2-3 ratio. i need asap !

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily