Which of the following is a validation of congruency between two polygons?
a. if by applying only rotation you can make them coincide
b. if by applying only translation you can make them coincide
c. if by applying rigid motions you can make them coincide
d. if by applying dilation you can make them equal

if you need just tell me and i will come to the rescue.

step-by-step explanation:

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

answer: (3,11) is your answer.