The mean score on the final exam in ayanna’s history class was 80.5 and the standard deviation of the scores was 6.5. ayanna’s standard score, rounded to the nearest tenth, was -1.3. what was her score on the exam?

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.

32a³b² 8ab² simplify the following expression.

Will reward u brainliest! a restaurant did a survey among 100 customers to find their food preferences. the customers were asked about their preferences for pasta or rice. out of the total 30 people who liked pasta, 10 liked rice also. there were 40 people who liked rice. ok so all i need is someone to fill these in: like pasta and rice: like pasta, do not like rice: do not like pasta, like rice: do not like pasta or rice: