Is the question how long would the 185 petri dishes last because if so it would be about 15 days
Hope this helped ;)
Answer:

Step-by-step explanation:
<u>Step 1: Find the square root of 81</u>
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Answer: 
Answer:
{(5, –4), (–4, 5), (–5, 4), (4, –5)}
Place one number above the other so that the hundreds, tens and ones
places are lined up. Draw a line under the bottom number.
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764 divided by 4 is
141
4 can go into 7 once with the remander of 1 then u bring down ur 6 and it gives u 16. 4 can go into 16 4 times without any remanders and thenu are left with 4. 4 goes into 4 one time and then u get the answer 141