Which statement is true about the right traingle

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.

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

What is the value of x when x + 7 = 21?