The answer is $10
if you add up the total price for each of the items it totals to $40, she has $50 so $50-$40=$10
Answer:

Step-by-step explanation:
First, find the magnitude of the vector:

Then, divide each component of the vector by the magnitude to get the unit vector and rationalise:

-4x -8x +17 = 23
-12x +17 = 23
-12x=6
x= -0.5
to check plug back in the equation
Answer:
5/7 or .714
Step-by-step explanation: