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Answer:
$0.80 per pound is the better buy
Step-by-step explanation:
= 0.9
$0.90 per pound for the $4.50/5 pounds of bananas
So since you know that x^2-1 is equal to (x-1)(x+1),
you can figure that this factors to
(y^2-x^3)(y^2+x^3)
because you know how the difference of two squares formula, stated on the top line of this answer.
Hey there!
"A number" is referred to an unknown number so we can say it is labled as

"Increased" means you're going up/ adding
ten = 10
150 stays the same
"Ten times a number" =

"Increased by 150" =

Thus your answer should look like this:

Good luck on your assignment and enjoy your day!
~

It's one because the degree is always after a variable and there is one variable so your degree is one