One circular table has a diameter of 9 ft, and another circular table has a diameter of 20 ft. how much greater is the area of the larger table? round to the nearest whole number.

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.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

How many grams the dog will eat in 3 days?