At Gill's Sport Store, softball bats are on sale for 40% off the regular price. If the bat Jake wants is regularly priced at $45, which of the following expressions could he use to find the sale price of the bat?

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.

See attachment below and find the equivalent of tan(∠qsr)

Need asap i will give brainliest and 98 points classify each pair of numbered angles corresponding, alternate interior, alternate exterior or none o these