Claire earned a score of 96 on Exam A that had a mean of 100 and a standard deviation of 10. She is about to take Exam B that has a mean of 600 and a standard deviation of 50. How well must Claire score on Exam B in order to do equivalently well as she did on Exam A? Assume that scores on each exam are normally distributed.

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

1. are the triangles similar and if so why? what is the value of x? show your work.