Answer:

Step-by-step explanation:
we know that the circumference is equal to

we have

substitute


Answer:
it's b
Step-by-step explanation:
it's b because the lines outside of the equation mean the absolute value of the equation
It would take 5 hours for all the bacteria to die. 1000 divided by 5 is 200 so 200x5=1000
40%*2=80 I hope I helped!
Principal clements needs to buy 10 packages
<em><u>Solution:</u></em>
Given that, Principal clements wants to buy a pencil for each of the 57 fourth graders in her school
The pencils come in packages of 6
Therefore,
Total number of students = 57
<em><u>Thus, divide 57 by 6 to get the number of packages clements need to buy</u></em>
<em><u></u></em>
<em><u>Substituting the given values we get,</u></em>

Thus principal clements needs to buy 10 packages