Please answer all of the questions for me or add a pdf with answers thx.

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

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d.x+y=2

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?