What is the Log of 4 to base 12

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Math question.. plz me .. best answer all

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?