What's the length of an arc with a central angle of 100° and a radius of 2 inches?

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.

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction