What is the area of the circle

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.

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73