Cameron got 18 out of 20 problems correct on the test. what percent did she make

Asquare parking lot has 6,400 square meters what is the length in meters

Which statements about these triangles is true

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.