Yalll pls help and illl mark brainlist

The total number of photos on hannah’s camera is a linear function of how long she was in rome. she already had 44 photos on her camera when she arrived. then she took 24 photos each day for 6 days. what is the rate of change of the linear function that represents this

If you could answer these your a life saver

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.