There were 15 apples in a bowl. dan used some apples to make a pie. now there are 7 apples in the bowl. how many apples did dan use.

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?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol