L is 0 because it cancels itself out
Answer:
population mean
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
20 divided by 4 = 5
1 x 5 = 5
Answer:
He need $99 more
Step-by-step explanation:
87-14-17=56+33=89
188-89=99
Supplementary angles sum up to 180°, suppose the supplement of 161° is x. Then
161+x=180
solving for x we subtract 161 from both sides
161-161+x=180-161
x=19
thus the supplement is 19°