Stumped on how to solve this one! the numbers just aren't making sense to me

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 graph depicts the path of a projectile

What rotation was applied to triangle def to create d’e’f’?