22. In ∆ABC, b= 16, a = 12, c = 17

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.

8

step-by-step explanation:

486in is correct

step-by-step explanation:

52 \43 i don't know this i tried