Answer:
PA) 8
PB) 45
Step-by-step explanation:
PA) Find the prime factors of each term in order to find the greatest common factor (GCF).
8
PB)
Step 1:
(8 x 5) + (16 x -1)
Step 2: Multiply
40 + 15
Step 3: Add
45
Answer: The tenth term in the sequence is 512.
Step-by-step explanation:
Since we have given that

We need to find the tenth term:
It means n = 10
So, it becomes

Hence, the tenth term in the sequence is 512.
Answer:
Its B and D
Step-by-step explanation:
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Answer:
-1 and 1
Step-by-step explanation:
48 cookies from 2 cups of flour, rate = 48 cookies / 2 cups = 24 cookies / cup
60 cookies from 3 cups of flour, rate = 60 cookies / 3 cups = 20 cookies / cup
If the rates were proportional, the rates would have the same answers.
Therefore the rates are not proportional.