Mr. powell asked five students to write an expression that includes finding the sum of 7 and 12. the students wrote these five expressions. which expression(s) include finding the sum of 7 and 12?

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.