Please help! Questions are down below!

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?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Tan198=asin164=? how to solve this? ?