Find the geometric mean of 3 and 48:
a) 12
b) 25.5
c) square root 51
d) 22.5

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

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 price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?