answer for this question is 3.85 units squared
Answer:
1. x=0 y=-20
2. x=0 y=7.5
Step-by-step explanation:
Answer:
59.7 degrees
Step-by-step explanation:
see attached
First blank: not random Because he sent it to the top 5 students. Not random students throughout the grade.
second blank: I would guess not valid because it was not a random sample.