Problems 10, 11, 12, 22, 23, and 21 pls show work

If g(x) is an odd function, which function must be an even function?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?