Answer:
the answer is d i got it right on plato.
The only answer choice that produces -2x²+2 is D.
Because (-x²+2x+3)+(-x²-2x-1) = -x²+2x+3-x²-2x-1 = -2x²+2
answer: D
it'll just be 140º
Step-by-step explanation:
because the central angle and the arc value are both congruent
122 and 75 i think
