How do you do the pythagorean therorem if you already have a and b and c i dont know how to solve if you already have all 3 sides

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?