Answer:
the answer is A. 0.48 $
Step-by-step explanation:
the price of ounce of the watermelon is :

"22", "7" and "7,5" are the answers in order
.7
because you need to get the original unit price which is 0.7 then multiply that by 1 and get your answer
Cereal A is a better option...Need an explanation?
Answer: Apply the Sum/Difference Rule
d/dx(7x)-d/dx(8)
d/dx(7x)=7
d/dx(8)=0
7-0=7
Step-by-step explanation: The answer is 7