Write an equation of the line that has the given slope and y-intercept

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.