Answer:
100
Step-by-step explanation:
(71+x)/2=78
71+x=156
x=85
Th student needs to score a min of 85
#1 is a right isosceles
#2 I think is equilateral
#3 it is obtuse
#4 I think its scalene
I hope I helped :)
You would have to add a positive 6 to the negative 6 to get zero. Lets say you have -2 in order to get it to zero or just any positive number, you have to add a positive of the same value or higher to be able to get it there. I hope you understand that.
Answer:
2 5 7
Step-by-step explanation:
hopefully it helps sorry if it wrong