04- Determine a forma mais simplificada do polinômio a? + 3a? - 5a? - a +12a + 5a– 7a. (TERMOS SEMELHANTES E ADIÇÃO E SUBTRAÇÃO DE POLINÔMIOS)
a) 4a? + 4a
b) 4a²-4a
c) - 4a2 + 4a
d) -4a²-4a​

The future for teen moms can be compromised due to the demands of parenting.

If you are having a hard time lifting something, you should arch your back. a. true b. false

Which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.