1: (pi)5^2 = 78.54 then multiply that by 11 and you get 863.94
2: (pi)13^2= 530.93 then multiply that by 8 and you get 47247.44
3. (pi)18^2= 1017.88 then multiply that by 22 and you get 22393.36
Answer:
I'm pretty sure its b but I'm not sure I'm sorry if it's wrong
Answer:
Decrease
Step-by-step explanation:
It gets smaller because it is 100% is full size, so less would make it smaller
Answer:
11/25
Step-by-step explanation:
total number of students to selet from is 6+11+8=25
number of seventh graders is 11
=11/25
