Acompany encourages its 1 employees to car-pool. about 1690 have arranged for car pooling. what percent of the companys employees are involved in a car pooling?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

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.