Three friends do Word together for 5 days. The first friend does it alone for 15days. The second friend does it alone for 12 days.
many days does the third do it alone for?

Simply 8x squared + 5(7x squared- x) - 2x =

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Which of the following is an equation of a line parallel to the equation y=4x+1?