An object weighs 20 N. It displaces a volume of water that weights 15 N. 1) What is the buoyant force
2) will it sink or float?

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

Which governments provide garbage collection services to homes and businesses

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?