Express in scientific notation. Choose the answer with the proper number of significant figures.

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.

15/16 as a decimal rounded to the nearest hundredth

Write the pair of fractions as a pair of fractions with a common denominator