Someone help me with this and I’ll mark u as brilliant

B)

Step-by-step explanation:

90

Step-by-step explanation:

Numbered angle = 4x°

4x° + 4x° = 180 (angle on a straight line)

8x° = 180°

divide both sides by 2

4x° = 90°

numbered angle = 90°

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.