Which of the traits of a complex civilization led to using metals to make tools

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

i think the answer's are a) b) and c)

raymond can buy special closed cooling containers or a semi-truck with a air conditioned cooling system and an open box for the fruits,

b

being given a fair trial before a jury