Sixty-five and three hundredths

as a decimal number

as a mixed number

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

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)

The value of cos 30° is the same as which of the following?