Plzz and plzz hurry

what other information is needed to prove that △fge ~ △ijh by the sas similarity theorem?

a. ∠f ≅ ∠j
b. ∠i ≅ ∠f
c. ∠e ≅ ∠h
d. ∠g ≅ ∠i

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?