15.50 for 6 lbs......15.50/6 = $ 2.58 per lb
Answer:
C
Step-by-step explanation:
The n th term formula of a geometric sequence is
= a 
where a is the first term and r the common ratio
Using the second and fourth term, then
ar = 6 → (1)
ar³ = 54 → (2)
Divide (2) by (1)
=
= 9
r² = 9 ⇒ r =
= 3 → C
Answer:
$1.66 per pound of potatoes.
Step-by-step explanation:
I think you can just ignore the part at the beginning, this is probably a multi-part question.
unit price is just amount/cost so all you need to do is substitute that.
7/4.20 = 1.66$ per Pound
Good luck with your schoolwork/homework!
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Sorry in advance for bad explanations or wrong answers.
Answer:

Step-by-step explanation:
Remember that the formula for the difference of squares is
. The formula implies that if (5x - 8) is a factor, then (5x + 8) is the other factor. We can use our formula to find which one is our difference of squares:



We can conclude that the correct answer is
.