Answer:
35
Step-by-step explanation:
6(3)=18
18+20=38
38-3=35
3 - 5m
plug in 350 for m
3 - 5(350)
multiply
3 - 1,750
subtract
-1,747
Answer:
49
Step-by-step explanation:
side 1 = |18-3|= 15
side 2 = |12-3| = 9
side 3 = |16-4| = 12
side 4: 
perimeter = 15 + 9 + 12 + 13,4= 49,4 = 49
Answer:
28.574
Step-by-step explanation:
18.2 x 3.14 then divied by 2
There was 10 friends because there if you times 2/3 by 6 you get 12/18 and 10 people eat it then there is 3/18 left and after you simpfly it you get 1/6