There is not a gcf because one is odd and the other even
Answer:
4 hours
Step-by-step explanation:
Given
Car 1:


Car 2:

--- i.e. 2 hours after car 1
Required
Determine the time car 1 will meet car 2
To do this, we calculate the distance of both cars using:

For Car 1:


For Car 2:

Open bracket

When car 2 meets up with car 1, they are at the same distance.
So:

Collect Like Terms


Solve for h


<em>Car 2 will catch car 1; 4 hours from the start</em>
A dilation of 27 is the answer because 27*20=540
Answer:

Step-by-step explanation:
Mark got 54 out of 66 correct in his test.
We need to find what fraction of the marks did he get correct,
Total number of questions = 66
Total number of correct answers = 54

Answer:
x < -7
Step-by-step explanation:
-4x > 28
-x > 7
x < -7