Answer:
(y+9)(y-3)
Explanation:
9*(-3) = -27
9+(-3) = 6
Answer:
Explanation:
1. The beam emitted travels along a straight path and it is divergent in nature. It has its radius increasing progressively as the distance away from the source of light increases.
2. It would be observed that the region where the bulb is positioned has denser light beam. This gets fainter towards the edges of the beam and away from the bulb.
Answer:
it's 2
I don't know how to explain but yeah its 2
All of the above. Good luck with the bio