Answer:
it's not in the chioces
Step-by-step explanation:
1time =3 mins
4 times =4×3
12mins
Answer:
Step-by-step explanation:
y=x+4
Answer:
x=1
Step-by-step explanation:
3(x+1)=-2(x-1)+6
3x+3=-2x+2+6
3x+2x=2+6-3
5x=8-3
5x=5
x=
x=1
Answer:
x = 41
Step-by-step explanation:
vertical angles are congruent , then
3x = 123 ( divide both sides by 3 )
x = 41
Answer:
60
Step-by-step explanation:
Since equalateral. The angles are the same.