Which expression can be used to find the sum of the polynomials? 0
(9 – 3x2) + (-8x2 + 4x + 5)
[(-3x2)+(-8x?)] +4x+[9+(-5)]
[3x2 +8x?]+4X+[8+(-5)
[3x2+(-8x?)] +4x+[8+51
o [(-342)+(-8xP)] +4x+[9+5
(PLEASE HELP)

he spend 5.1 minutes chatting with his friends.

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5.1

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.  

if the probability is 1/12, 75 people will receive a $25 gift card

step-by-step explanation: