Kelsey keeps track of how much money she makes each time she babysits. For the last 10 jobs she made: $7.50, $10.50, $5.00, $4.50, $3.50, $7.50, $4.00, $10.00, $7.50, and $5.00. What is the mean amount of money Kelsey made? A. $5.50 B. $6.25 O c. $6.50 OD. $7.00 E. $7.50​

4. find the geometric mean of 4 and 12. 24 8

5/6+7/8what is the answer sealsdbdbshd

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.