Answer:
sure
Step-by-step explanation:
Hope this helps!
https://www.omnicalculator.com/math/radius-of-sphere
It is more than 0, because you cancel the x, and you get 2+5, which is 7
You are correct. For each of the three possibilities for their second day, there are two possibilities for the third day.
The total number of possibilities is 3*2 = 6.
It will be c- 20:
4q and 2(q+30) have to equal the same therefore q=30 which makes both these equations equal.
3p + 4q then have to equal 180 as they are on a straight line so you know q=30 so 4x30=120 so 180-120=60
Then 60/3=20 and that is your answer.
Hope this helps :)