first, rewrite 54 as 6•9
next, rewrite 42 as 6•7
then, that gets you 6x^2 -6•7x- 6•9
lastly, factor out the common term (6)
and then you get 6(x^2-7x-9)
<u>please mark as brainliet <3</u>
Answer:
idk
Step-by-step explanation:
i 123456788==3-4=2-5=06=20=0-54092=
Dont know 125887q2=5268-2654&+^[email protected]+^25^5#1=^5=2+56=426+
So,
To find the percentage that the copper comprises, just divide the amount of copper by the total amount of metal in the coin. In this case, we will change the denominator so that it is 100, which can easily be converted into a percentage, which is really just a fraction out of 100.

75%
75% of the metal in the coin is copper.
Answer:
decay.
Step-by-step explanation:
decline means reduce, which is a negative term. decay is also negative.
decimal form= .113 or .11
Answer:
height
Step-by-step explanation:
you can just look these questions up