Answer:
50 im not 100% sure tho
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
b
Answer:0n=0
Step-by-step explanation:
-2n+9+2n=9
-9 -9
———————
-2n+2n=0
-2n -2
———————
0n=0
Answer:
70
Step-by-step explanation:
Substitute x with -6:
2(-6)²-2
2(36)-2
72-2
70