What group of people is credited with the systemization of geometry?

-syrians
-egyptians
-romans

-greeks

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

Point q is equidistant from the sides of ∠tsr. find m∠rst.