A rope that weighs 20 pounds hangs from the top of a 64 foot tall building (it hangs and barely brushes the ground). A bucket of sand weighing 5 pounds is attached to the bottom. How much work is done in winding the rope so that the bucket can go into a window that sits 10 feet above the ground

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?

There are a total of 75 students in the robotics club and science club. the science club has 9 more students than the robotics club. how many students are in the science club?