Answer:
I
Step-by-step explanation: pick I because The cookies at store B cost more
Answer:
No
Step-by-step explanation:
I don' think that Y varies directly like X does because first they're different numbers. Y=1.2 and X=1.6.
I have a picture of the work for it but I don’t know how to upload it I can put a file maybe!
Answer:

Step by step explanation:

first we will change the terms with negative superscrips to the other side of the fraction

then we will distribute the superscripts


as when multiplying two powers that have the same base, we can add the exponents and, to divide podes with the same base, we can subtract the exponents


then we will change again the terms with negative superscrips to the other side of the fraction


Answer:
Step-by-step explanation: