Answer:
25% decrease
Step-by-step explanation:
Take the original amount of books and subtract the new number of books
20 -15 = 5
Divide by the original amount of books
5/20 = .25
Multiply by 100%
25%
It is a decrease since the amount went down
25% decrease
Answer: B
Step-by-step explanation:
Using 6 decimals for pi = 3.141592
Answer:
pythagoras theorem
height ladder can reach on the wall = side a or b
13 feet = hyp
5 feet = side a or b (you choose which one it is)(but the equation still works ......................................the same)
13^2-5^2 = 144
√144 = 12
