15. The school cheerleading team uses
megaphones in their routines. Each
megaphone is a cone. The radius of the
megaphone is 5.1 inches and the height
of the megaphone is 19.3 inches. What is
the volume of the megaphone?

answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.

since no one answered yet i will give it a shot, not completely sure tho.

i think it should be y=cos(x+2pi), (third answer, answer c)

good luck.