Which of the four equations has the solution of 1?

Equation one:
14 - (7.42)^0

Equation two:
(-2.97)^0

Equation three:
5^0 + 9^0

Equation four:
3 (8^0)

The equation that has a solution of 1 is Equation three:

5^0 + 9^0 = 1 + 1 = 2