Anumber cube with faces labeled 1–6 is rolled 90 times. about how many times would the result be greater than 2?

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)