given: 
$\therefore Ac=\frac{(2)2}{2}=2$
Sqrt(49)*sqrt (-1) -4 = 7i-4
Anwser:
22.5 or 5/22 or 30
Step-by-step Explanation:
-2 and -2
SSS
-2+-2= -4
-4 x 30= -120
-120 divided by 4 is 30
but that’s not a fraction so you do
22.5 or 5/22
-2 x -2 x 30=
Answer: 333 degrees
Step-by-step explanation: