WILL MARK BRAINLIEST! Fill in the blanks. I genuinely need help so please only answer if you know, thank you!

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?

Point s lies between points r and t on . if rt is 10 centimeters long, what is st? 2 centimeters 4 centimeters 6 centimeters 8 centimeters

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3