Answer:132
Step-by-step explanation:
Use proportion
12:2=x:22
x=22*12/2
x=132
Answer:
22
square root of a number multiple by the himself give you the value
so square root of 22 x 22 = 22
understand it lol
-4i+3i=i-8+3i-12
-i=4i-20
20=4i+i
20=5i
20/5=i
4=i
