¾ = x Write ¾ as the product of a whole number and a unit fraction.

The hypotenuse of a 45 -45 -90 triangle measure 7 square root 2 units

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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)