Answer:
29
Step-by-step explanation:
9 + 20
2 0
+ 9
2 9
the answer is 0, or 0/0 because anything times 0 will always be 0 and 0 does not have a half :)))))
(7x - 5x) -3 =x+4
2x - 3 = 2x + 7
x^6-9 = x^-3 = 1/x^2
I think is A but check it just in case
