Find the sum and express it in simplest form.
(-8a? - 7a) + (a' - a + 3)

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

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