Answer:
-28
Step-by-step explanation:
-4(7)=-28
The circle with center O has two chords AC and EF which are of same length 9.07.
OD and OB are the two perpendiculars drawn from the center O to the two chords AC and EF .It represents the distance of the chords from the centre.
The circle theorem states: congruent chords are equidistant from the center.
OD is congruent to OB.
Option A is the right answer.
Answer:
x^2 - 3x - 28
Step-by-step explanation:
(x+4)(x-7)
x^2-7x+4x-28

Answer:
0.66666666666
Step-by-step explanation: