Use Pythagorean thrm
17^2+10^2=21^2
289+100=441
389≠441
This is not a right triangle
Answer:

Step-by-step explanation:
b increased by 16 is at most 20 in equation form
increased means add
b+16
is at most means 

Answer:
Step-by-step explanation:
Yessir I love math. I know you were being sarcastic but I love math. just multiply everything and you’ll get the answer