Answer:
25 units
Step-by-step explanation:
No matter the direction of the vector, if we multiply the vector v by -5v, the magnitude can be calculated as follows:

Due to properties of absolute value:

Answer:
y = 15x + 200
Step-by-step explanation:
It should be y = 150x + 200 because if you look at the first one, 300x is too big.
You can cross out the last two.
Then you can see the second one also doesn't work.
Cross that one out.
The first choice is the only one.
It would still be 17.8, unless there are more numbers after the 8.