What is the square root of –16?
–8i
–4i
4i
8i

How are people today protected from wildfires like the large wildfires like the great fire of 1910are people today protected from large wildfires like the great fire of 1910? plz have the answer. this is important. you

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Which domain endings indicate websites that are most likely to be reliable sources? check all that apply. sites ending in .net