What is 2.5 repeating as a mixed number

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

An apartment has a replacement cost of $950,000 and contents valued at $1,450,000. it has a classification of a and a territory rating of 3. find the annual premium a) $10,185 b) $9,230 c) $3,155 d) $13,830

If g^-1(x) is the inverse of g (x) which statement must be true