Answer:
−
1
+
6
d
,
d
=
2
Step-by-step explanation:
Answer: C
Step-by-step explanation:
The x times 4 equals the y in each column.
Answer:
1) Pre-image.
Step-by-step explanation:
2) Translation.
Answer:
52min
Step-by-step explanation:
5 people..............5 walls............52 min
1 people...............5 walls...........52 x 5=260 min
1 people................20 walls.........260 x 4 =1040 min
20 people................20 walls........1040:20=52 min