Mike went to Beggar's with his family. Their total bill was $65.41 and they wanted to leave a 20% tip. How much of tip did they leave? (plsss answer this is due in 30 mins)

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Factor the polynomial by its greatest common monomial factor.