Rewrite each expression as a sum.

12. - 8x2 + 3xy - 9x - 3

13. 2ab -- 5ab2 - 9a2b

Volume of cylinder with a radius of 8cm and height of 25 cm

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

What could explain what happened when the time was equal to 120 minutes