Find the least possible fraction of a data set lying within 4 standard deviations of the mean.

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180