If 3/4 of the 200 seeds sprouted, how many seeds did not sprout?​

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

With number 11 ( show how you got the answer)

Which best explains why this triangle is or is not a right triangle ?