I don't think I need to explain it, the answer is $111
Apply lg on both sides.
lg7^x^2 = lg9^x
Bring the power forward.
x^2lg7 = xlg9
x^2/x = lg9/lg7
x = lg9/lg7 = 1.13
Divide them and then multiply
Answer: I believe the answer to your question is 4
Step-by-step explanation: