What point divides the directed line segment ab ⁢ into a 3: 4 ratio?

Identify the translation rule on a coordinate plane that verifies that square a(-4, 3), b(-4, 8), c(-9, 3), d(-9, 8) and square a'(-3, 2), b'(-3, 7), c'(-8, 2), d'(-8, 7) are congruent.

Nine more than four times a number is the same as one less than twice the number. find the number?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.