Answer:
I think it's A
Step-by-step explanation:
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Answer:
<em>Jack scored a total of -40</em>
Step-by-step explanation:
<u>Arithmetic</u>
Jack took a test where the correct answers are given as positive numbers and the incorrect answers are negative numbers.
The scores were
-65,-10,-15,20,30
The total score is the arithmetic sum of all scores, including their signs:
Total score: -65-10-15+20+30
Total score: -40
Jack scored a total of -40
The answer is: " x = 2 " .
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Answer: the one that ends with 30. D the fourth one
Step-by-step explanation:
B) 29
Because 20^2+21^2=c^2
