If a figure has four sides then it cannot be a triangle

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

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

Why is x= 4 a solution to the proportion 14/x 56/1 6