A box has a bottom with one edge 3 times as long as the other. If the box has no top and the volume is fixed at , what dimensions minimize the surface area? -What are the dimension?

How do you find the equation of line of best fit? urgent

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

An expression for the average of x 2x and 3y