If m< 1 =89, what is the measure of < 5?

<5 would be at the same position as the angle under <1. 

So, <5 and <1 are adjacent and equal to 180 degrees.

180-89= 91

<5 equals 91 degrees. 

I hope this helps!
~kaikers

4+2=-2. 1+2=3. y=-2/3x+b. 2=4/3+b. 2/3=b. the answer is y= -2/3x+2/3