Answer:
the first one
Step-by-step explanation:
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.
Answer:
2x - 3y
Step-by-step explanation:
-1/4(-8x+12y) = 2x - 3y
Answer:
AREA= 198 mm
PERIMETER = 57mm
Step-by-step explanation:
1: to take out the perimeter , add all the sides i. e. 12+14+18+13=57
2: to take out the area use formula B*H i. e. base *height - area of a parallelogram
B=18
H=11
18*11=198
this is the area
HOPE IT HELPS !