It takes 24 h to fill a large basin with two hoses, where the water

in one hose flows four times as

fast as the other hose. How long

will it take the slower hose to fill

the basin if the faster hose is not

functioning?

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?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Could somebody me with this radical simplification?