He im so bored talk to me plsss uwu :(( i needa guy bsf :/ ..

If eh = hg and hg=16, find the diameter of k

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

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.