10. is f 11. is a I dont know for 12 though
Answer:
2h/3
Step-by-step explanation:
to simplify equation:

Answer:
#1: -1
#2: 1
Step-by-step explanation:
Anything raised to the 0 power is 1, but in question 1 the negative is outside the parenthesis, so it makes it -1.
Answer:
???
Step-by-step explanation:
This is VERY confusing. Seems like it's already answered there.