Question

Two years ago, a group of 12-year-olds had a reading ability expressed by a mean score of 40.00 and s of 3.60; and a composition ability expressed by a mean of 62 and an s of 9.60. Today the group has gained 12 points in reading and 10.8 in composition. How times greater is the gain in reading than the gain in composition?​

Answer 1

Answer:

Give the first five terms with the equation n2-1

(c2/9)(c4/3) using rational exponentsneed this now

Explanation: