Yes 1 -5 then tou add 1 +5
Answer: C
Step-by-step explanation: If this is drawn to scale, 12 15 and 30 make absolutely no sense, because if you multiply any of those numbers by 5 your gonna get a number bigger than 60.
Therefore, 6 is the answer
9 + 60 -42x
9+60 = 69
= 69- 42x