2 Points
When historians talk about the past, they are referring to events that:

They are referring to things that happened before what is currently happening. This could be 100 years in the past or just yesterday but its in the past

Explanation:

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but

north atlantic treaty organization.