Answer:
thatl be 5
Step-by-step explanation:
Step-by-step explanation:
Hi, I think correct variant is B
(28÷7)+7=4+7=11
Total angles on a straight line
(9x + 8) + 37 = 180
9x + 45 = 180
9x = 180 - 45
9x = 135
Divide through by 9
x = 15
The greatest common factor is 7 .
