Will jumps rope at a rate of 86 jumps per minute. At this rate, what is the total number of times Will will jump in 15 minutes?

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.

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?