4+8 is 12 so yes it is correct!!!
Answer:
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Step-by-step explanation:
Hello,
Answer A
(3x-4)²-(x+7+x²+2)=9x²-24x+16-x-x²-9
=8x²-25x+7
![[Hello,BrainlyUser!\; I'm\;Lenvy]](https://tex.z-dn.net/?f=%5BHello%2CBrainlyUser%21%5C%3B%20I%27m%5C%3BLenvy%5D)

Answer:
42 feet
Step-by-step explanation:
First let know what is
Yards to Feet
Note that;
1 Yard ⇒ 3 Feet
Thus, Formula: Multiply the length value by 3
Given:
Lena bought 14 yards of ribbon. How many feet of ribbon did she buy?
Therefore, 14 * 3 = 42
Hence, Answer is Lena brough 42 feet of ribbon.
~[CloudBreeze]~