Combine the like terms to create an equivalent expression: 8n+12+(-)

Which expression is equivalent to 2x^2+7x+4?

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?

The verbal translation for the difference of m and 7 increased by 15