Answer:
16
Step-by-step explanation:
3 x 4 = 12
4 x 4 = 16
15
.......................................................................................
D' = ( 1 , -1 )
2 times 1/2 = 1
-2 times 1/2 = -1
hope this helps ^^
1. A
2.D
3. Idk what that is
4.B
5.D
6.C
7.D
8.A
9.D
10.C