1-b cuz its describing numbers
2-A-prmation again
3-7C5 = 7!/(5!2!) = 7*6/2 = 21 so its B
4-792
5-d
hoped i helped
Answer:
7 1/2 cups
Step-by-step explanation:
20 gallons is ten times 2 gallons.
Ten times the amount of water will require ten times the disinfectant (we assume).
... 10 × 3/4 cup = 30/4 cups = 7 1/2 cups
Answer:

Step-by-step explanation:
Definition: Let f be one-to-one function with the domain A and the range B. Then the inverse function
has the domain B and the range A and is defined as

Facts:
1) For every

2) For every

So, 
Answer: 33. r=13.6 34. m=12
Step-by-step explanation:
<em>33.</em>
<em>-0.8+r=12.8</em>
<em>-0.8+r+0.8=12.8+0.8</em>
<em>r=13.6</em>
<em>34.</em>
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<em>Multiply both parts of the equation by -3:</em>
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