Maximize the objective equation. P=2x+y for the constraints below. Show your graph and all work

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.

Given abcd ac=38 and ae=3x+4 find the value of x

What is not true about kl and mn? what is mn? (show )