Answer:1. 4x5
2. 7xm
3. 3xa
Step-by-step explanation: length times height to get area!
Answer:
Number 1 would be 4 x 5 = area
Number 2 would be 7 x m = area
And number 3 would br 3 x a = area
9+11i
Step-by-step explanation:
12-3=9
4i-(-7i)=11
Answer:c