Several people from groups of eight people in each group, write an expression for the number of groups formed by p people. how many groups are formed if there are 96 people?

Ineed to know the answer to this algebra question.

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.

Which is f(5) for the function –2x2 + 2x - 3?