Answer:
Step-by-step explanation:
115+4n-5=180 degree (being straight line)
110-4n=180
4n=180-110
n=70/4
n=17.5
therefore the value of n is 17.5 degree
substitute the value of n
4n-5
4*17.5-5
70-5
65
Answer:
x=12
Step-by-step explanation:
First attachment = 3
Second attachment = -7
Third attachment = 25
Answer:
the answer is to add up all the numbers.
Step-by-step explanation: