The length of ST is 10 units, the length of S't" is 2 units.
This means the dilated figure was decreased by a factor of 5.
Because it is smaller it would be a scale factor of 1/5 ( 0.2 as a decimal).
Since arc CD is 100 degrees, the rest of the circle must be 260 degrees. Since the rest of the circle is made up of two equal arcs, then arc BC must be half of 260 degrees. Thus, the answer is 130 degrees, C.
It’s BD because it need to be the opposite ray and this one is the opposite ray so yes this is it
Answer:
14
Step-by-step explanation:

now substitute x for -1

now solve


there is your answer! hope this helps! :)