Answer:
The number of bacteria after
will be 
Step-by-step explanation:
Given the initially 30 bacteria present in the culture.
Also, the number of bacteria got doubled every hour.
So, using the equation

Where
is number of bacteria after
hours.
is bacteria present initially.
is the common ration, in our problem it is given that bacteria doubles every hour. So, 
And
is the number of hours. In our problem we need amount of bacteria at the end of
hours. So, 
Plugging values in the formula we get,

So, number of bacteria after
will be 
Answers:
1. A person with 1 exemption making between $580 and $600 would have $<u>21.97</u> withheld.
2. A person with 3 exemptions making between $340 and $360 would have $<u>4.51</u> withheld.
3. A person with 4 exemptions making $610 would have $<u>16.31</u> withheld.
4. A person with 2 exemptions making between $440 and $460 would have $<u>12.16</u> withheld.
5. Tim Worker had $7.84 withheld. What was his wage range? <u>$360-$380</u>
Please, see the attached files.
Thanks.
1. 2x+7
2. 9
3.11
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Answer:
42.68
Step-by-step explanation:
21.34 * 2= 42.68
12
because it is the only number that appears more than once which is basically the definition of mode.