You are planning to frame a picture. the frame goes around the outer edges of the
picture, so you need to calculate the perimeter to determine how much material you
need. the picture is rectangular and has side lengths of 11 inches and 15 inches.
how much material do you need for the frame?

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?