Fernando drew the following four figures into the sand at the beach using a stick. Only one of the images has a single line of symmetry. Which figure has the single line of symmetry?​

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?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.