I need help with this plz help how do I do

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 is this inequality notation? t is less then or equal to 2

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10