4. If we flip a coin eight times, how many possible sequences of eight coin faces (1.e., heads or tails) can we have? O 512
1,024
2,048
0256

do your own work and don"t cheat.

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.