the table shows the minimum volume of water needed to fight a typical fire in rooms of various sizes. Calculate the rate of change

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

What is the slope of the line shown below?