Answers: a = 49
b = 10
c = 105
Answer:
540 is the ans
Step-by-step explanation:
this is the correct answer
120 ways. More details in attachment.
If that's an addition sign, then b=-35.
If it's a division sign, then b=-150
Sorry I can't see which it is! Hope this helped though :)
Good luck!
Answer:
a. 180
Step-by-step explanation:
= 
cross-multiply:
4x = 720
x = 180