Answer: Final cost=1.08(.82y)
Step-by-step explanation:
23
because
the pattern is
(5 10) ..1.. (15 20) ..2.. (25 30) ..3..
..1... = 3
..2.. = 13
so ..3.. = 23
34+56=90 this is your answer
Hope this helps lol
Solving an equation uses the formulas
You'll get (3n-2m)(3n-2m)
your final answer distributing or the by using the foil method will be 4m^2-12mn+9n^2