Answer:

Step-by-step explanation:
We are given that the equation of lines


According to question
The vector perpendicular to the lines is given by
and 
Therefore, the angle between two vectors is given by

Using the formula




Hence, the acute angle between the lines is given by

Well the price of the 3 skirts is $75 and the mystery price of the shirt was $33 and added that 8 time equals $339
Answer:
y=1x-6
Step-by-step explanation:
luckily i love math, plz put as brainliest
D-A-C-B should be the order
i really hope this helps