Pls help i’ll give y a brainlest

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.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585