Find the inverse of the following:

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Evaluate the expression. (9 + 5)(3 + 2)0