Moby sold half his toy car collection, and then bought 12 more cars the next day. he now has 28 toy cars . how many cars did he have to start with

The highest point on earth is the peak of mount everest if you climb to the top you would be approximately 29,035 feet above sea level at remembering that amount is 5280 feet percentage of the height of the mountain would you have to climb to reach a point 2 miles above sea level

How many solutions does the nonlinear system of equations graphed bellow have?

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.