In the first one it would be (21-8)-6=7.
and in the second one it would be 21-(8-6)=19
A is your answer 3.4
Use Pythagorean Theroum
10.2 squared = 9.6 squared + x squared
104= 92.6+x squared
x squared = 11.4
x= 3.37
round x to 3.4
Hope that helps!
Answer:
The answer is 14.86. I hope that this helps
Answer:
a. 20
Step-by-step explanation:
just multiply 5 and $4 by 4