Please go into more detail about the question then u will be able to help you
<span>(5x^7 y^2)(-4x^4 y^5) =-20x^a y^b
</span><span>
solve this:
(5x^7 y^2)(-4x^4 y^5)
= -20 x^(7 + 4) y^(2 + 5)
= -20 x^11 y^7
answer
</span>A) a=11, b=7
30-[18-(24\4)] = 18
if you follow pemdas
450000 * .08
= 36,000
They reduce $36,000 from the original price.
