Answer:
a) 
b) 
Step-by-step explanation:
Use logarithm properties:

Then
a) 
b) 
take square root and subtract y2 from y1 and x2 from x1
3: t will equal 60°
180 divided by 3 is 60
Answer:
3.8
Step-by-step explanation:
it shows everything in the screen shot. sorry of it is messy