For question 1: formula is A) 2^x=8, Whats x? Answer: 3 B) x=6^2 then answer: 36 C) 2^x=1/4 Whats x? Answer: -2 D) x^2=9 then you square root it and you’ll get +3 and -3. Since you can’t have (-) answer: 3 E) undefined because a logarithm of a negative number does not exist in set of real number Hope this helps :)