Answer:
4
Step-by-step explanation:
Answer:

Step-by-step explanation:
we can easily calculate the perimeter of three points, using vectors. See the picture...
Answer:
a = -3/2
Step-by-step explanation:
3(6a+12)=9
Divide each side by 3
3/3(6a+12)=9/3
6a+12 = 3
Subtract 12 from each side
6a+12-12 = 3-12
6a = -9
Divide by 6
6a/6 = -9/6
a = -3/2
Answer:
35/2 or 17.5 or 17 1/2
Step-by-step explanation:
Divide 5 by 89 and you get a=17.8