Describe all the errors this student made when solving using the quadratic formula

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

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.

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase