The ripping rate is 40/60 seconds, because 60 seconds are in a minute and it took her 40 seconds.
Hope this helps :)
Answer:
314
Step-by-step explanation:
First, find the diameter which is 10 and square it. Then, multiply by pi or 3.14 to get 314.
(IF THIS HELPED PLEASE GIVE BRAINLIEST!)
Answer:
30
Step-by-step explanation:
Answer:
plus 20 or positive
Step-by-step explanation:
-60+80= 20
positive
16 squared is 256 because if you multiply 16 times 16 you get 256
