Answer:
15.40/3.5=$4.40 dollars a pound
7.65/1.8=$4.25 dollars a pound
Step-by-step explanation:
divide to get the unit price
so 7.65/1.8=$4.25 dollars a pound is the cheaper unit as well.
Stop asking questons we are pretty much telling you the answer figure it out your self
Answer:
square root of 81
Step-by-step explanation:

so 9 is rational number.
the rest are irrational number
58^(1/2) is √58 if that is what you meant