1. we know she needs 3 packs of biscuits
2. Shop A you only need to pay for 2 packs
3. Shop B you only need to pay for 2 packs
4. Shop C you need to pay for all three
5. so we know C is out of the option.

so shop A and B will cost the least
Answer: B
Step-by-step explanation:
-3x^2-9xi+9ix-27
-3x^2-27
Answer:
50%
Step-by-step explanation:
The answer would be 7/24.