Answer:
x+12=12(opposite sides of parallelogram are equal)
x=0
Answer:
there are four twelfths in one third of Tyrone's rectangle, and three twelfths in one fourth of Sally's rectangle.
After converting to common denominator:
8/18, 7/18, 6/18, 5/18
so the next fraction is 4/18, but if you have to simplify it’s 2/9