You select a marble without looking and then put it back. If you do this 84 times, what is the best prediction possible for the number of times you will pick an orange or a blue marble?

Pls will give brainliest and all p.s u can zoom in if u cant see plss

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.

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28