see the attached figure
75°=mAC/2-------------------- > mAC=75°*2=150
the answer is 150
Answer:

Step-by-step explanation:

pull 2 from top

we are looking to cancel (x-5) so will start with
(x - 5)(x + 3), selected (x+3) because the sign must be negative and must multiply to -15
now cancel (x-5)

Answer: its b because once u simplify everything it amounts to b