X=number of pounds
y=cost of pound .
x+y=cost
This is a difference of squares, meaning that when you multiply the binomials it would be the front term squared minus the last term squared.
The front term squared = (3A) squared = 9A squared
The last term squared = (4B) squared = 16B squared
Final Answer: D. 9A squared - 16B squared
Answer:
she sold it for $84 and made $14
Step-by-step explanation:
take 20% of 70 add it to 70 and bam answer
2/3 is the answer in lowest terms. i hope this helps!
