In exercise 5.10, we proved that f(y1,y2) = is a valid joint probability density function for y1, the amount of pollutant per sample collected above the stack without the cleaning device, and y2. the amount collected above the stack with the cleaner. are the amounts of pollutants collected with and without the cleaning device independent?

i think the answer is b)

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.

30 feet

step-by-step explanation:

that would be 2 1/2 * 12

= 24 + 6

= 30 feet   (answer)

6 and 24

step-by-step explanation:

6 x 4 = 24