4,5,6,7,8 , hell , i’m stuck . i will mark brainliest to the first person who gets them righttt

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.

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)