It will be B, I am almost a hundred percent, since you are adding the numbers. Hope this helps!! :)
Answer:
No rotation will produce a polyhedron. The solids of rotation are non-polyhedral.
Step-by-step explanation:
Solids of rotation will always have a curved face, so they’re always non-polyhedral.
Answer:

Step-by-step explanation:
In a coin toss the probability of tossing a head is 0.5 (50% head/50% tails)
If n is the number of rounds and 2n the number of coins tossed (one for each player), the probability of having m heads tossed is:

R is the number of cases (combination of coins tossed) that gives a m number of heads. Each case has a probability of
so:

<u>For example, to toss 4 heads in 5 rounds: </u>




Answer:
The answer is R
Explanation:
Since there are 4 sides, we divide 360 by 4 to find the amount needed to turn to move from one side to another. So we move P one side, landing on Q, then we move it 3 sides counter-clockwise (270/90=3 sides), landing on R
Hope it helps!