What is the common denominator of 1/a+1/b in the complex fraction 1/a-1/b / 1/a+1/b a2b2
a-b
a + b
ab

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

m∠a is 90°

m∠b is 40°

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.