True or false statement?

-16 > -f , if f = 15

Anyone know? is appreciated! will mark brainliest if correct!

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.

Write the expression 7x^3-28xy^2 as the product of 3 factors