Wright the equation that passes through the point (0, 4) and has a vertex (2,1)

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 the approximate circumference of the circle shown below?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling