9,277,414 the 7 in the thousand place the value of the 7 in the ten thousand place

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.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?