Respuesta :

C: a=30 and B=60
 
is the correct answer hope this helped and good luck!! 

Answers to Quick Check:

1. C. Perpendicular Transversal Theorem

2. C. a = 30 and b = 60

3. B. Bertha R. || Charles St.

4. A. Adam Ct. T Edward Rd.

5. D. b || d