Answer:
Step-by-step explanation:
a^2 + b^2=c^2 so 81 + 9= 90 c= Square root of 90 which is 9.5.
the answer is c most likely
What do you mean by a "Good estimate"? There's no picture or questions.
B
-1/4 - (-3/5) =
-1/4 + 3/5 =
-5/20 + 12/20 =
7/20 <==
