Please I need help on how to solve this problem

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

For each proportion find the unknown number x 1/5/8=×/15

Factor the expression using the gcf. the expression 21m−49n factored using the gcf