Jose earned 50 points in a video game. He lost 45 points, earned 90 points, then lost 35 more points. Enter and evaluate an expression to find his final score in the video game.

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.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

What is the solution set of the quadratic inequality x^2-5< or equal to 0