Write what x is equal to x+3=45

Given: ac and db are diameters. m∠3=

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.