Represent the following sentence as an algebraic expression, where "a number" is the letter x. The product of 8 and a number.

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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?

Can someone me with the property questions for 12 13 and 14 plz