Answer:
34
Step-by-step explanation:
Sum of two numbers = 7
1+6
2+5
3+4
34+9=43
7) C
8) B
9) C
7) sqrt[(8-8)² + (-5-7)²] = 12 units
8) y = 4x
9) y = 6 - x
I think C. 0.75
i think its 756. (18×2=36, 36×21= 756)
