= G is the center of the circle
AD is a diameter, mAB = 78°,
mFE = 105°, MED = 27, mCD = 42°

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

3x + 4y -25 =0 represents the amount of change sianna should recieve

27

step-by-step explanation: