i believe it is 1/3. but check other sources as well.
Answer:
-7
Step-by-step explanation:
2x +3 =x-4
2x - x =-4 - 7
x=-7
Answer:
Option 4
Step-by-step explanation:
The smaller sides must add up to be greater than the largest side so:
1) 6 + 8 < 15
1) No
2) 6 + 9 = 15
2) No
3) 9 + 6 < 16
3) No
4) 9 + 8 > 16
4) Yes
using distributive property you should get

115 - 40 = 75
Because 115 is the total and your getting rid of the 40 other degrees in the 115