Answer:
irrational.
Step-by-step explanation:
0.7777... repeats and does not end so it is irrational
Answer:
no idea sorry!!
Step-by-step explanation:
i think its the third but not sure
Answer:
hi the right answer is option C.112
here's why:

9x^2y would combine with 5x^2y as they have the same exponent and variables