The base of a ladder should be place 3 feet from the wall for every 5 feet of ladder length. how long a ladder is needed to safely reach 36 feet above ground?

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?

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.