The function h (d) = 2d + 4.3 relates the height (h) of the water fountain in feet to the diameter (d) of the pipe carrying the water in inches. Find the value of d when h(d) = 10.3.

e

step-by-step explanation:

an equation by definition has to have two or more variables (x and 2 in this case)

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.