The school want to purchase enough tarp material to cover their field during bad weather. they want to get exactly eleven percent more than is needed to cover the field so some of the sidelines and area beyond each end zone are covered as well. how many square yards of tarp material should they buy?

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.