Is 1.2731568 a natural number, integer, whole number or irrational number ?

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.