Answer:50%
Step-by-step explanation: I don't know, because I counted 30 heads and 30 tails so that's what I'm guessing hope its correct, sorry if it's not. :/
Answer:
c
Step-by-step explanation:
Answer:
25% decrease.
Step-by-step explanation:
3/4=75%
100%-75%=25% decrease.
ANSWER: 2484
(Alternative forms): 2.484 × 10³
Answer:
400 cm squared
Step-by-step explanation:
Since a square has all equal sides, this would mean the the all the other sides are 20 as well. To get the area, you would just multiply 20 by 20 to get 400. :)