I guess the would help you
D) 36x^2-81
both 36x^2 and -81 are perfect squares
difference means subtraction
Answer:
<em>$2.29/gal</em>
Step-by-step explanation:
The unit price is in units of cost per volume, or dollars per gallon, so you divide the cost in dollars by the volume in gallons.
unit rate = ($18.32)/(8 gal) = $2.29/gal
