Identify the graph of f(x)=10-10x2/x2

What is the exact volume of the cylinder? 16in going into the middle of the top of the cylinder and 40in in height a) 25,600(pi)3 b)10,240(pi)3 c)1280(pi)3 d)640(pi)3

Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?