Tang and song dynasty #9-which innovation from the song dynasty had the greatest impact on the expansion of global empires? a. accurate star charts b. horse stirrups c. better navigation tools d. chemistry for explosives. i need on all the questions

federal power is further limited with a system of checks and balances that gives each branch of government a measure of power over the others.

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

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answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: