5 over 6+4(3 over4g-6) its fraction and the answer has to be in standard form

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?

Based on the diagrams, what is the value of x?