Answer:
45%
Step-by-step explanation:
Answer:0
Step-by-step explanation:2 4ac
2×4×-2×0=0
a=9
a^2+b^2=c^2
a^2+5.6^2=10.6^2
a^2+ 31.36=112.36
-31.36 -31.36
a^2=81
a=