Please help me i can't figure this out fill in the blank to make equivalent rational expressions 5/v+4 = ? /(v+8)(v+4)

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

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.