Find the values of the variables

What is the distance between (–2 1/2,-3) and (1, –3)?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.