The first contract can go to any of 12 firms. The second can go to any of the remaining 11 firms, and so on. Finally, the 4th contract can go to any of the 9 firms that don't yet have a contract.
The number of ways the contracts can be awarded is
... 12×11×10×9 = 11,880
The median of grouped data is the middle number in an organized data set, so basically you need to organize all the numbers from lowest to greatest and find the middle number, which is 6.
Answer:
Step-by-step explanation:
f(-2)=5
Since Pemdas is used, taking care of that x is squared before multiplying -3 to make sure you don't mess up the signs.
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Take the inverse of cotangent to get your degree measure, then plug it into each answer choice.
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