Which algebraic expression is a polynomial with a degree of 4? 5x4 + StartRoot 4 x EndRoot x5 – 6x4 + 14x3 + x2 9x4 – x3 – StartFraction x Over 5 EndFraction 2x4 – 6x4 + StartFraction 14 Over x EndFraction

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.

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step-by-step explanation:

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