Which equation can you use to solve for x?

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees.

Raul works at a movie theatre. the function f(x) represents the amount of money raul earns per ticket, where x is the number of tickets he sells. the function g(x) represents the number of tickets raul sells per hour, where x is the number of hours he works. show all work to find f(g( and explain what f(g(x)) represents.

Kim states, "if the diagonals of a parallelogram form right angles, then the parallelogram is a rectangle." decide if her statement is true or false.