3 years ago

Will give brainlist please answer balanceing equations

1 answer:

6 0

Answer:

1. caco3 + 2hcl = cacl2 + h2o + co2

2. 4na + 02 = 2na2o

Step-by-step explanation:

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Answer:

Third option, letter c

Explanation:

3/8 are male, so the chance for 1 year is 3/8

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3 years ago

Nuetrik [128]

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Step-by-step explanation:

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3 years ago

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the question says that the samples included 100 people each, so it's just 100 multiplied by the amount of samples:

7×100=700

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