Fedex charges a flat rate of $4 to ship a package

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)