What is 2÷ 5/12 ??? pls help me im rly stuck on this question??

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?