Answer:
-1
Step-by-step explanation:
A-(b+c)
Let a=2 b=-5 c=8
2 - (-5+8)
2 - (3)
2-3
-1
Answer:
5x + 3y = 2
5x - 3y = -22
Step-by-step explanation:yes
11 people x 138 = 1,518 total pounds.
13 people x 148 = 1,924 total pounds.
Difference = 1924 - 1518 = 406 pounds.
Average weight = 406/2 = 203 pounds
1:3 :) why? well if we think about it 2:9 is just not gonna work, cross that out. 3:18? no, thanks. 1:3 is it
Answer:
Hello! answer: y = 40 x = 67
Step-by-step explanation:
63 - 23 = 40 therefore y = 40
63 + 63 = 126 360 - 126 = 234 234 ÷ 2 = 117
67 × 2 = 134 134 - 17 = 117 therefore x = 67 hope that helps!