Welcome to Westonci.ca, where curiosity meets expertise. Ask any question and receive fast, accurate answers from our knowledgeable community. Join our platform to connect with experts ready to provide precise answers to your questions in different areas. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

Given: if cr = 4, ra = 6, and rs = 10, find ab.
a) 15
b) 25
c) 6 2/3
d) 16 2/3