Yan is climbing down a ladder. Each time he descends four rungs on the ladder, he stops to see how much farther he has to go

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

How do you determine if an ordered pair is a solution to a given equation?

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?