Answer:
Step-by-step explanation:
<u>According to intersecting chords theorem:</u>
- 21(2x - 6) = 30(x + 1)
- 42x - 126 = 30x + 30
- 42x - 30x = 126 + 30
- 12x = 156
- x = 156/12
- x = 13
<u>Find the value of YZ:</u>
Answer:
n/a
Step-by-step explanation:
it just needs more work on the vertex.
Answer:
Yes
Step-by-step explanation:
Each value only maps out to one value, so that means it is a function.