A pair of shoes have been marked up by 65%. If the original price was $40.00, what is the new price?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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.

Hi, can anyone show me how to do this problem? 100 points for this. in advance