Write the first three terms of the geometric sequence that has a1= 120 and whose common ratio is r = -1/2

For geometric sequence, you multiply the common ratio to the previous one.

120 × (-1/2) = -60

-60 × (-1/2) = 30

30 × (-1/2) = -15

So your first three terms is

-60 , 30 , -15

Hope this helped! Brainliest is always welcome :)

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

step-by-step explanation: