Apply the distributive property to factor out the greatest common factor of all three terms. {14x + 21y + 7z} =14x+21y+7z=

4038

step-by-step explanation:

pleaze mark brainliest!

b.an increase in a causes b to decrease

452,489 to the nearest thousand is 452,000

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.