<u>Answer:
</u>
The greatest common factor of 
<u>Solution:
</u>
To find the greatest common factor we have to find the prime factors of individual numbers and then find the number which is common to each given number.
Here the numbers are 
Let us find out the prime factors of each number
.

We can see that
is common to all the given numbers 
Therefore the greatest common factor of 
Answer:
Average rate of car: x+3
Walking rate: x
The equation is
10/15 = x/x+3
So
x = 6
So
Average rate of car: 9 mph
Walking rate: 6 mph
Step-by-step explanation:
Hello!
Answer:⇒⇒⇒⇒⇒=
Explanation:
↓↓↓↓↓↓↓↓↓↓↓↓
Group like terms:
↓↓↓↓↓↓↓↓↓↓↓↓↓↓

Add similar elements.

Hope this helps!
Thank you for posting your question at here on brainly.
-Charlie
29 and 3
13 and 19
Hope this helps!