Answer:
I can't exactly remember how to either but I do know that they hypotenuse is 7 so z cannot be bigger than 7
Your answer would be D) Stromatolites. hope this helps :)))!
The opening at the top of the volcano is called a crater
You have to see how much a bag of feritlier goes when the dial is at one. when the dial is at one its gives out 60 square feet. 600/10= 60 so then you would mulitply 6 by 60 and get 360 which is your answer