5 + (-1) is the same thing as 5-1
So it's 4.
Answer:
∠4=135
Step-by-step explanation:
vertical angles are always equal
∠1=∠3
3x-9=x+27
3x-x=27+9
2x=36
x=36/2=18
∠1 =3x-9
∠1=3(18)-9
∠1=54-9=45
∠1+∠4=180 degrees
45+∠4=180
∠4=180-45
∠4=135
Yes it does. This is very obvios You are Welcome
Answer:
7 hours
Step-by-step explanation:
567/9 = 63
441/63 = 7
It would take him 7 hours to drive 441 miles.
Hope this helps