The students in hugh logan's math class took the scholastic aptitude test. their math scores are shown below. find the mean score. round your answer to one more decimal place than is present in the original data values. start 2 by 5 matrix 1st row 1st column 547 2nd column 526 3rd column 342 4st column 347 5st column 556 2nd row 1st column 358 2nd column 349 3rd column 619 4st column 470 5st column 482 endmatrix
she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.
that would be 2 1/2 * 12
= 24 + 6
= 30 feet (answer)