Choose the symbol that goes in the blank to make the statement true.
163_136

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?

Simplify this expression. 8x 16(x + y)

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?