Answer:
40
Step-by-step explanation:
ABD-CBD=ABD
70-30=40
Answer:
y=29x+50; 30 months
Step-by-step explanation:
$920-50=870
870/29=30
Answer:
x-5<21
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
u={1,2,3,4,5,6,7,8,9}
m={2,4,6,8}
N={1,2,4,8}
O={2,4,6,8}
Now
M intersection (N intersection O) = (M intersection N) intersection O
or , {2,4,6,8} intersection {2,4,8} ={2,4,8}
intersection {2,4,6,8 }
:. {2,4,8} ={2,4,8}