Can you me on questions numbers 8 and 9 asap?

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?

Solve 2^x=32 and rewrite this equation in a logarithmic form

What is always true about a positive integer raised to a negative odd power?