1. Which of the following answers best describes humans daily life during the old stone age-paleolithic era.
city states
nomadic tribes
copper workers
farmers

Farmers

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

answer: to communicate with people on the other side.

explanation: