Answer:
Sum of 3 angles in a triangle=180
x+55+72= 180
x+ 127=180
x= 180-127
x= 53
Answer:
n=-11
Step-by-step explanation:
Since -15 is 4 less than -11, it would be -11.
Hope this helped. :)
1: 5,800
2: 112.5 (total weight, divide by 2, subtract 17 lb)
5: .8 (4 divided by 5)
6:

7: 1,728
9: 9 inches
10: 1.2
Sorry I couldn't give you all of them :(
Answer: Y=(
) x-7
Step-by-step explanation: