A true
because 53•(41•11)=23,903 and (53•41)•11=23,903
Hope this helped

Thickness of the book is ~
Refer to the attachment for solution ~
Yes you can assume they are similar because the sides that correspond with one another are half of the big triangles measurements. 16/2=8 12/2=6 etc.
Answer:the correct answer is b
Step-by-step explanation:
Answer:
1. -16-(-11)=5
2.48 divided by -8 is 12
3.13/5=2
4.81-11=7
5.3*2=35
6 35*2=5
Step-by-step explanation: