What is -8 + -13? A-5 incorrect answer B5 incorrect answer C-21 incorrect answer D21
1 answer:
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Answer:
83
Step-by-step explanation:
You are trying to find the score that gives you a specific mean. A mean is calculated by dividing the sum of the data by the amount of data. Set up in this order, with x as the fourth score, to find the answer.
The fourth test score must be an 83.