Answer:
x = 7
Step-by-step explanation:
Start by solving for
which is a common expression for both equations. Then in the first equation:

and in the second equation:

Now we make the two
expressions equal so we get:

Answer:
8km
Step-by-step explanation:
Going by the sketch attached in the picture, the distance between starting point and present position is 8 km.
The sketch is crucial to determine the answer to the question, Hence, kindly check the picture attached for reasoning being the choice of result.
Answer:
1/2
Step-by-step explanation:
Let's pick two points and find the slope inbetween them.
I'll pick (2,1) and (0,0).
Remember that slope = change in y / change in x.
slope = 1-0 / 2-0 = 1/2