The heights of 82 roller coasters have a mean of 285.2 feet and a population standard deviation of 59.3 feet. find the standardized tests statistics and the corresponding p-value when the claim is that roller coasters are more than 290 feet tall.

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y

Can anyone explain to me how to do this? anything will .

Talia grouped the terms and factored out the gcf of the groups of the polynomial 15x2 – 3x – 20x + 4. her work is shown below. (15x2 – 3x) + (–20x + 4) 3x(5x – 1) + 4(–5x + 1) talia noticed that she does not have a common factor. what should she do?