How do you write 21/57 in simplest form?

7/19 is th answer please

You could write 21/57 as 7/19

The table is represented below

Part A:  The y-intercept of the linear graph is when . So, from our date, the y-intercept is at y=330

Part B: The rate of change is 55 and it represents the decrease of 55 miles for every hour travelled

Part C: The domain of the function will be  meaning the traveller will reach its destination after travelling  hours (assuming the traveller doesn't stop for break)