0.030 m3. The balloon is compressed at a constant temperature causing the volume
decrease to 0.025 m3.
No helium leaves the balloon.
Calculate the new pressure in the balloon

see below

Explanation:

P1V1 = P2V2

100 000 (.03)  = x ( .025)     x = 120 000 pa

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer