Noah was taking a walk and found 36 acorns in 2 hours. How many acorns did Noah find per hour?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Which of the following graphs represents the function f(x) = 2^x

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.