Alana runs 4 laps around the track in 10 minutes. If Alana runs 17 laps at the same rate how long does it take her

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

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?

What is the missing step in this proof ?