The line for the graph x=1 is the line of reflection that reflects triangle ABC onto triangle A'B'C'.
You have to find the middle points between each pair of identical points and then join them.
Step-by-step explanation:
2+2 = 4 - 6= -2+8=6+2=8
Answer: 8
Aiden should have calculated
area = (1.1 * 5.4) / 2
because triangle area = half the base times the altitude.
21 kids are in the band
30% of 70 = 21