The diameter of a circle with radius of 8 cm is .

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.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x