Alright, so you can try to study hard and gain a passing grade (A+) for the other two quarters.
3 x 4(hours) = 12
60 - 12 = 48
At 4am the temperature was 48 degrees
Answer:
Following are the responses to the given question:
Step-by-step explanation:
For point A:

For point B:
{x | x is the positive square number less than or equal to 81}
For point C:
All given sets were equal and equal, that since elements and the element no. are identical.