Here are recipes for two different banana cakes. Information for the first recipe is shown in the table. The second recipe is given with the written description.

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.

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

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?