Anwer:
A. By the definition of a perpendicular Bisector.
Answer:
B
Step-by-step explanation:
First find the circumference of the circle with radius of 9 inches:

The full angle has 360°, so, to find the length of the arc DE, you can write:

which yields a proportion:

Answer:
The temp got colder by -1
Step-by-step explanation:
The difference of -3 to -4
-4 + -3 = -1
Answer:
1/4
Step-by-step explanation:
Rebecka already chose a retriever, so the puppies left for Aaron to pick are:
2 poodles
2 terriers
1 retriever
Total: 4
Number of retrievers left after Rebecka's pick: 1
p(Aaron picks retriever) = 1/4
<span>6/3+(-1/3)
</span><span>= 6/3-1/3
= 5/3
= 1 2/3</span>