Answer:
4
Step-by-step explanation:
my theory would be 4
Answer:
D
Step-by-step explanation:
Answer:
x=18.7
Step-by-step explanation:
x+17+5x+10+4x-34=180
10x-7=180
10x=187
x=18.7
all angles in a trianlge add up to 180 degrees
X is minus 2
y is equal to 1