A Ferris wheel with a radius of 30 feet is rotating at a rate of 3 revolutions per minute. At time t= 0 a chair on the Ferris wheel is at the lowest point, which is
10 feet above the ground. Which of the following models describes the height
h (in feet) of the chair as a function of time (in seconds)?

The graph shown is the graph of which function?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.