<h3><u>
Answer:</u></h3>
<h3><u>
Step-by-step explanation:</u></h3>
- 56 + y + (180 - 123) = 180
- => 56 + y + 57 = 180
- => y = 180 - 113
- => y = 67°
<h3><u>Conclusion:</u></h3>
Therefore, the answer is y = 67°.
Hoped this helped.
The image would be (-1, 5)
Answer: 75/7 or 10.71 (rounded)
Step-by-step explanation:
Mean = Average
To find the average you should add all the numbers together and then divide it by the amount of numbers.
In this question, the formula is 
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The list of the first 7 odd prime numbers:
3, 5, 7, 11, 13, 17, 19
Now, add them together
3+5+7+11+13+17+19=75
Divide the sum by 7
75÷7=75/7=10.71 (rounded)
Hope this helps!! :)
Please let me know if you have any questions
