Ireally don't understand logarithms. i just need on how to do them. can you ?

What is not true about kl and mn? what is mn? (show your work)

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

Simplify using positive exponents only.