Answer:
-38
Step-by-step explanation:
It’s 10 or 9 I think it is probably 10
464 inches. Hope this helped! :)
b^2-4ac<0 b^2-144<0 (b-12)(b+12)<0
-12<b<12
inside angles need to equal 180
180-75-40 = 65
now the question mark and 65 need to equal 180
180-65 = 115
answer is 115
