Which angles are vertical angles?

The answer is angle GFC and angle EFH.

Step-by-step explanation:

Angle GFC and angle EFH are vertical angles because vertical angles are always equal to one another. In general, 2 pairs of vertical angles are formed when two lines intersect, and vertical angles are angles that are opposite each other.

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.