Answer:
use this formula
Step-by-step explanation:
I hope this helps ......
B= the square root of 65
Formula: a^2= c*2-b^2
a^2= 81-16= 65
Once you find the square root of 65, thats your answer, but here they want you to keep it as 65.
Hope this helps!
Answer:
d
Step-by-step explanation:hope it helps
Answer:
1
Step-by-step explanation:
Knowing what place values are, we know that since both of those numbers have the 7 in the tens place, it represents 70. So both of those number are 70 plus another number (under 10)