Find the scale ratio for the map described below 1cm(map)=500km(actual)

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

Which graph represents the equation y =4x

Find the distance between the pair of points a(-1,8) and b(-8,4)