Solve the following system of equations by converting its augmented matrix to reduced Echelon form.

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?