The subtraction expression shows C. -4-9
The value of x is 35° and the value of y is 72.5°
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Answer:
67
Step-by-step explanation:
Mean is the average
Add up all the values and divide by the numbers there are.
In this case, divide by 9.
The more plot point the better but you must have at least three points, a labeled X-axis and Y-axis, and a table for the data to be organized into.