X= 4/7 because it would be
4/35x=16/245
which would be 28x=16
simplified it would be 4/7
B (:
cuz i saw it on this other website and i am like 50% sure its correct
B) 40 because if you add the two angles at the bottom which are shown to be congruent, then subtract 180 from the sum of those two, then you are left with your answer