When calculating the area of a shape, the units in the answer should always be? the same units

squared units

cubed units

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?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

If a is a nonzero real number then the reciprocal of a is