Plz help me well mark brainliest if correct!!..

Which one ? is the answer and how to find this answer

What expression is equivalent to log3(x+4)

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