Rosa's work finding the median of a set of test scores is shown below.
{80, 70, 90, 80, 90, 65, 100, 100, 90}
90
which statement best describes rosa's first error?
o
she should have reordered the elements from least to greatest.
she should have added the elements and divided by 9.
she should have counted repeated elements only once.
she should have found the difference between the first and last elements.

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.