If NASA scientists use positive and negative numbers to represent the time surrounding a rocket launch, what would zero mean? on e hour before take-off two minutes before take-off the moment of take-off two minutes after take-off \
1 answer:
Answer:
The moment of take-off
Step-by-step explanation: If it is two minutes before then they would say t-minus two minutes. Two minutes after would be t-plus two minutes, and so on. Please correct me of any mistakes.
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Answer:
4
Step-by-step explanation:
87 _jhq
To fond the area of a trapezoid, add the top and bottom together, divide that by 2, than multiply by the height.
Area = (8+12)/2 = 20/2 = 10
10 x 9 = 90 square centimeters.
The answer would be 920. hope that helped
