What exactly are you looking for? Do you want the answer to all of them?
0<4x + 8<12 BADDA-BING-BADDA-BOOM!!! :-)
I believe it’s your first choice .
Answer: 75 degrees
Step-by-step explanation: supplementary angles= 180 degrees, 180 - 115 = 75
Answer:
The principal square root of -4 is 2i.
Step-by-step explanation:
= 2i
We have the following steps to get the answer:
Applying radical rule 
We get 
As per imaginary rule we know that 
= 
Now 
Hence, the answer is 2i.