The square root of 121 is 11
B) is my guess i am 50% sure it could be the answer
Answer: B
The graph of the proportional relationship equation is a straight line through the origin.
I hope this is good enough:
Just like algebra
i lis like x
distribute invisible -1 to second set
-1(-1+3i)=1-3i
now we have
7-9i+1-3i
8-12i
Answer: 7.625 pounds.
Step-by-step explanation:
Given: The weight of Alexandra's backpack =
e the given weight is in mixed fraction.
To convert it into decimal ,first we need to convert it into improper fraction.
Thus, 
Now, convert the improper fraction into decimal, by dividing numerator by denominator, we get

Hence, the weight of her backpack in decimal = 7.625 pounds.