# Molly

## Questions

1. ### math

Carbon 14 (14C) dating assumes that the carbon dioxide on Earth today has the same radioactive content as it did centuries ago. If this is true, the amount of 14C absorbed by a tree that grew several centuries ago should be the same as the amount of 14C
2. ### Math/Statistics/Probability

Leroy and Fred play chess at a club every Wednesday. The probability that Leroy will lose is .3, that he will stalemate is .5, and that he will win is .2. The probability that Fred will lose is .25, that he will stalemate is .4, and that he will win is
3. ### Chemistry

Which of the following equations is balanced correctly? A. 2 C3H3 + O2 → 2 CO2 + H2O B. Cl2 + 2 KBr → KCl + Br2 C. 3 H2O → H2 + 3 O2 D. 2 C2H2 + 5 O2 → 4 CO2 + 2 H2O Can anyone help me figure out which is balanced correctly?
4. ### Chemistry

If you wanted to dope Selenium with something to make it a p-type semiconductor, what would you use?
5. ### US History

How did the spoils system affect president James Garfield and his successor Chester A. Arthur??

## Responses

C. 14.093
2. ### CALCULUS

The answer of 33 was correct.
3. ### Calculus

Answers D and E were correct.
4. ### Calculus

Positive 6 was correct!
5. ### Chemistry

Never mind I figured out it was D