A motorcycle is traveling at a speed of 55 miles per hour. If the radius of the wheels is 14 inches, how fast are the wheels turning? Express your answer in revolutions per
minute. Show all unit conversions. Round to 2 decimal places. (5280 ft=1 mile)

Aright triangle includes one angle that measures 30º. what is the measure of the third angle? a. 30º b. 90º c. 60º d. 130º

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

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.