Help? again? please.

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x