State the slope and the y-intercept in each equation. Then graph each linear equation. Be sure to fill out the entire graph and connect the points! Help

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.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.