Akite flying 20 ft. above the ground is attached to ta string 80ft. long. the string is being held by a person on the ground. find the angle between the string and the ground.

Ineed to learn how to solve this problem

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?

You can find the constant of proportionality by finding the ratio of