Answer:
69.12r square inches
Step-by-step explanation:
C = 2πr
= 2 x π x 11r
= 69.12r
Answer:
9:3;27:9;87:27
Step-by-step explanation:
The list goes on but hope that answers your question
What in the world.. weirdest thing that i saw today
Answer:
23 starfish, 7 octopi
Step-by-step explanation:
x=starfish
y=octopi
x+y=30
5x+8y=171
-5(x+y=30)
5x+8y=171
-5x-5y=-150
5x+8y=171
3y= 21
y=7
x+7=30
x=23
23 starfish, 7 octopi