This graph shows part of Ahmed's journey to the gym and back. (a) Work out Ahmed's speed on his way to the gym.
(b) How long did Ahmed take in the gym?
Give your answer in minutes.
(c) Ahmed took half an hour to travel back home.
What was Ahmed's speed on his way home?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe