Answer:
what grade is this
Step-by-step explanation:
Step-by-step explanation:
i) 

ii) 
iii) 

I’m not gay naanajajjajajajajajajjaka
Answer: 42 units squared
Step-by-step explanation:
3x7=21
3x7=21 divided by 2 = 10.5 + 10.5 = 21 so,
21+21=42
Hope it helps