Answer:
-2
Step-by-step explanation:
go back 3 into the negatives
Answer:
b =15
Step-by-step explanation:
We can use Pythagoras theorem to find b:


64 +
= 289
64 + 225 = 289
64 +
= 289
b = 15
hope this helps :) and sorry if not right
I am sure you are trying to type

If that is it, then you should recall the law of exponents which says,

Let us share the exponent for each of them.

We now apply the law,

We now simplify to obtain,

If that is not the expression let me know so I will know how to help you