Tungkol sa mga mahahalagang bagay na makakatulong sa iyong pag aaral​

1. what are the missing reasons in the proof 2. it's in the second picture and 3

(40 points) i need some . an answer definition is appreciated as well.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.