Answer:
there could be 28 possible pairs because 57/2=28.5
Step-by-step explanation:
Answer:

Step-by-step explanation:
We can add 9 to both sides of the equation to get
.
We can divide both sides of the equation by 21 to get
.
We take the square root of both sides of the equation to get
.
However, that isn't in the form we need.
We know that 
so the answer is really
and we're done!
Answer: d=5/67
Step-by-step explanation:
Answer:
G equilateral
Step-by-step explanation:
scalene = all the sides of the triangle are not equal
isosceles = two sides of the triangle is equal
Answer should be equilateral = All the sides of the triangle is equal.
F H J are not describing any triangle.