Which of the following equation is equivalent i need it !

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

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.

How is the number of vertices for a prism related to the name of the prism