What is the density of a mineral sample, if a 536g occupies 67cm3 of volumen?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

What is the measure of ba (the minor arc) in the diagram below?

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?