Are the lines in the diagram perpendicular, parallel, skew, or none of these? l and m: l and n: m and n:

Can someone me i’m confused. will give brainliest and a whole bunch of points

Write the expression as a single natural logarithm. 2 in a - 4 in y

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how