There are 30 red marbles and 10 black marbles in urn #1. you have 20 red and 20 black marbles in urn #2. randomly you pull a marble from the random urn and find that it is red.
what is the probability that it was pulled from urn #1?

Just tell me how to set up the equation.

Suppose g(x) = f(x + 3) + 4. which statement best compares the graph of g(x) with the graph of f(x)?

Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.