Henry was buying clothing for the fall at good stuff. he spent $59 on a pair of jeans, $45.87 on a shirt , and $121.39 on a pair of shoes. how much did he spend?

What is the number 321,000,000 in scientific notation? also what is the number? ?

What is the prime factorization of 230

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.