Answer:
Step-by-step explanation: pi r^2
so 42/2 equals 21 radius
volume=22/7 x 21^2
v=1385
1 is 39. J don’t know about 2 and 3 though:(
30 because 0.3 * 100 = 30
I cant help you there m8 the I'm not able to see the problem I'm sorry.
The range of this data is 65 since the minimum is 20 and the maximum is 85(if its counting by 5s) then you just subtract and you have the range.
