I do believe the answer would be D(4,-6)
Answer:
four tens
Step-by-step explanation:
four tens is greater because:
four tens = 40
thirty six and nine thousandths = 36.009
36.009 < 40
Answer:
Step-by-step explanation:
I assume you need help with the first picture:
Let 
Then

Clearly you can see that the sum of 2 rational numbers gives a rational number.
Answer:
b
Step-by-step explanation:
What is being asked here? Are they asking for the passing grade or the total with all the other 90 points added? I think it is A, 90%