How much bigger is a magnitude 8 earthquake compared to a magnitude 6 earthquake on the Richter Scale?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Use circumcenter theorem to solve for the given values