The length of the shadow on flat ground of a man who is 6 feet tall and is standing up straight is 8 feet. the distance between the top of his head and the top of his head in the shadow is feet.

What are the solutions to the equation 4x2+3x=24-x

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.

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units