Skew lines are lines that are not pararell or perpendicular.
The only lines that fit this explanation are AE and GF
Hope this helps!
Answer:

Step-by-step explanation:
The reference angle is an acute angle that angle in standard position makes with the positive x-axis.
The given angle in radians is

This angle is already acute and hence it is itself a reference angle.
The reference angle of any angle in the first quadrant is the same angle.
Answer:
35$
Step-by-step explanation:
Set up a proportion
5hr=25
7hr=x
Cross multiply
5x=175
divide both sides by 5
x=35$
The box has 450 bars in it. 18 times 25 would equal 450