2. A mineral is dropped into a graduated cylinder, the volume of water starts at 30ml and ends at 42ml.

a. What is the volume of the mineral

b. The mineral has a mass of 25 grams, what is the density of the mineral?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Simplify using positive exponents only.