Questions by RNK

Questions by RNK

PLEASE!!! I NEED HELP ASAP!! A rubidium isotope has a half-life of almost 50 billion years. Given that scientists estimate Earth's age to be 4.6 billion years, what is the most likely percentage of parent

asked Jul 6, 2018

2 answers

0 votes

23.7k views

What is the slope between (2,3) and (4,2)

asked Dec 21, 2017

1 answer

4 votes

56.7k views

Identify the Allies’ purpose in invading Italy and France. A. to force Germany to split their military forces B. to liberate conquered allies C. to control oil supplies needed by the German army D. to

asked Jun 25, 2017

2 answers

2 votes

13.9k views

Helena uses a mixture of compost and topsoil in her garden. She purchased a total of 10 cubic yards of compost and topsoil for $180. If compost costs $25 per cubic yard and topsoil costs $15 per cubic

asked Mar 17, 2017

2 answers

0 votes

47.5k views

Mary is x years old. How old will she be in 12 years? How old was she 2 years ago?

asked Jan 2, 2016

1 answer

3 votes

194k views

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