Answer:
92 + 122 = c2
81 + 144 = c2
225 = c2
Step-by-step explanation:
21 squared
this is because you add together 9 and 12. this gives you 21 and because you want it squared it would be 21 squared.
hola si mui bein
4th option
open circle means more than or less than
n is more than -3 but less than 1
Looks like 75%. Not sure what they're talking about for the reduce part.