Hi could someone please tell me if this is correct?:)

The system of equations graphed below has how many solutions?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?