Ineed asap. i am being timed and i forgot how to find the slope

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?