Answer:

Step-by-step explanation:
we have

Adds the terms
Group terms that contain the same variable

Combine like terms

where

therefore

Let's assume that a,b&c are in one straight line, so cannot form a triangle with each other. Now, total possible Triangle that can be formed choosing any 3 points without any colinear constraint is 8C3 = 56
Answer:y=-8 x=2
-8/2 or -4
Step-by-step explanation:
Answer:
5.5 miles per hour
Step-by-step explanation:
Since he travels a total of 55 miles in 10 hours, you need to divide.
55/10 = 5.5
total hours/total miles = miles per hour
Answer:
Let A equal the first number
Let B equal the second number
A=4b+6
B=b
4b+6+b=156
Step-by-step explanation:
Hope this helps :) Have a great day!!!!