Coefficient of 'x'= 5a
Coefficient of 'x square'= -17
Constant term = 14a
Answer:
Can you take a picture of the question so i could help!
Step-by-step explanation:
The amount each friend should leave is $3.59 each
Answer:
90 arrangements
Step-by-step explanation:
Since there are no repititions of letters, there are unique 10 letters in total.
THe number of arrangements would be 2 permutation 10. We need the formula for permutation. That is:

Now, n = 10 [total] and r is 2, so we have:

So, there can be 90 arrangements