Factor the polynomial.
81d2−64. please and thank you

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8