Thank you if you solve this for me !!

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?

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true