Ella is making stationery sets from 18 sheets of paper and 12 envelopes. If she wants all the sets to be identical without any paper or envelopes left over, what is the greatest number of sets Ella can make?

What is (28 + 7 + 6 + 3) x 1/2 show your work

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.

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)