Answer:
120
Step-by-step explanation:
12 x 6 = 72
8x(12/2)=48
72+48 =120
Answer:
The answer is A
Step-by-step explanation:
You should set "I" as
1 0 0
0 1 0
0 0 1
then replace "a" to 0.5 and "b" to 0.1
then finally you multiply matrice C and D
If your answer is
1 0 0
0 1 0
0 0 1
then the answer will be A
9 combinations hope it helps
Answer:

Step-by-step explanation:
We need to find 
We know that √-1 = i
Adding -49 and -4 and solving

Since 53 is not a perfect square so our answer is:

Answer:
y= 73 degrees
x=34 degrees
Step-by-step explanation:
180-107=73
y= 73 degrees
73+73= 146
180-146=34
x=34 degrees