The mass of a breakfast cereal is normally distributed with a mean of 525 g and a standard deviation of 15 g. If 6200 boxes of cereal
are manufactured each day, how many of the boxes have a mass
that is between 495 g and 555 g?

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

The cone in the diagram has the same height and base area as the prism. what is the ratio of the volume of the cone to the volume of the prism? h hl base area-b base area =b volume of cone_1 volume of prism 2 volume of cone 1 volume of prism 3 volume of cone 2 volume of prism 3 oc. od. volume of cone volume of prism e. volume of cone volume of prism 3 2

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab