Step-by-step explanation:
The answer is
4_

9_

Answer:
The diameter by Pi or The radius multiplied by 2 time Pi
Step-by-step explanation:
This is because this is how you get the circumference.
Answer:
19
Step-by-step explanation:
1st you will use a^2+b^2=c^2
next you plug them in so it would be a^2+16^2=25^2
next you would solve it to a^2+256=625
then you would get 369 and square root it
and your answer will be 19.2.
B because it has opposite slopes
63/9 + 40 - 35/7 =
7 + 40 - 5 =
47 - 5 =
42 <==