If 7^9÷7^n=7^3 then n is

-3
6
3
12

The solution set for 5v2 – 125 = 0 is

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)