I need help ASAP plz help me

The square root of 9x plus 7 plus the square rot of 2x equall to 7

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.

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points