Maria solved the equation -5 1/8 n = -9 3/4. Her answer was n = 1 37/41. She is fairly confident about her answer, but wants to do a quick check of her solution using estimation. Which of the following shows a good check of her answer?
A) -6(2) = -12
B) -5(-2) = -10
C) -5(2) = -9
D) -5(2) = -10

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer