Since PQ bisects CX at point J, JX=CJ
4y=y+9
-y -y
3y=9
divide by 3
y=3
<span>The half-life of helium-5 is 7.6 × 10^{-22} seconds, and the half-life of helium-9 is 7 × 10^{-21} seconds.
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Approximately

the half-life of helium-9 is greater <span>than that of helium-5.</span>
Answer: 9 times.
Answer:
Step-by-step explanation:
Well there are 500 of you going to se a regular movie
Answer:
32x-8y-3
Step-by-step explanation:
4(8x-2y)-3
4 x 8x = 32x
4 x 2y = -8y