Let a and b be real numbers such that a^3 + 3ab^2 = 679 and 3a^2 b + b^3 = -652. Find a + b.

70,000 + 6,000 + 800 + 30

step-by-step explanation:

i will pick c put check it over to be sure

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.