How many more times intense is an earthquake that measures 8 on the richer scale than an earthquake that measures 5

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Can someone explain to me how to do

The graph of the the function f(x) is given below. find [tex]\lim_{x \to 0\zero} f(x)[/tex] [tex]\lim_{x \to 1+\oneplus} f(x)[/tex] [tex]\lim_{x \to 0-\zeroneg} f(x)[/tex]