Financial math I have a test and I need to improve my understanding of financial maths. More importantly, interest and fractions. converting fractions into decimals. decimals into fractions, etc. If anyone has any tips or tricks for financial mathematics, please tell me.​

The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. if the distance of the stairs measures 22 feet and the ground distance measures 11 feet, how high is the entrance to the plane from the ground? which diagram represents this scenario? / 22ft © 22ft 11 ft 11 ft 22 it