In sea water there is 5% of salt. how much seawater do you need in order to get 17.25 lb of salt?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

Anut store normally sells cashews for? $4.00 per pound and peanuts for? $1.50 per pound. but at the end of the month the peanuts had not sold? well, so, in order to sell 40 pounds of? peanuts, the manager decided to mix the 40 pounds of peanuts with some cashews and sell the mixture for $2.00 per pound. how many pounds of cashews should be mixed with the peanuts to ensure no change in the? profit?

What is the slope-intercept from of the equation y+5=4(x+8)?