( im not really sure) i think it would be a, sorry if im wrong!
Answer:
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Step-by-step explanation:
harder daddy harder
Answer:
The constant of any equation is the number that doesn't change.
For example
4x-7=5
Seven and five are the constants because they are not going to change.
X= independent variable y= dependent variable
Step-by-step explanation:#need any questions answered within mins secs/
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Number of exams per semester = 5
Average of first four exams = 90
Therefore,
Total of first four exams = 90*4 = 360 marks
Based on 5 exams,
Average = 360/5 = 72
Answer: 90 degrees
Step-by-step explanation: The other options are not in their neared tens only 90 degrees is.