21r < 7
Divide by 21
r < 7/21
I’m pretty sure the answer is c.
Since each I guess ‘layer, or cubes will have 12 cubes.
The height is 4
12*4=48
I hope this helps, I’m really sorry if the answer is wrong
-100 is rational.
-100 can be turned into a fraction by doing the following...
Just put 1 underneath -100 and you get 
So that means it is rational since it can be a fraction!
The correct answer is B. Parallel lines are lines in the same plane that never intersect.
Answer: diameter is the length all the way around.
Step-by-step explanation: