Number one ☝️ right maybe
Answer:
both are correct
Step-by-step explanation:
Theorem: If two chords intersect within a circle, then the product of the lengths of the segments (parts) of one chord is equal to the product of the lengths of the segments of the other chord.
In your case this theorem sounds as

If AM=7, MB=6, CM=8, then

Note that CD=CM+MD=8+5.25=13.25.
Answer: correct choice is C
Answer:
Step-by-step explanation:
Are these polynomials ?
Vertical angles are congruent.