Answer:
{31, 0, 28, -27} are integers
{2pie, 25square root 3, 3.141592653..., square root 48} are irrational numbers
{
Grams
At least that is what we use in Mexico and in most Latin-American countries
Answer:
81=6x+3(vertically opposite angle are equal)
81-3=6x
78=6x
x=13°
hope it helps.
The scale factor is 4 and for the perimeter just use the distance formula
