Mass of one half dollars = 11.34g
therefore mass of six half dollars = 6*11.34g
=68.04g
Ans : mass of 6 half dollars = 68.04g
18/20=0.9
Move decimal two spaces to the right and include percent sign
90%
Answer:
6a-6b
Step-by-step explanation:
(5a+a)+(2b-8b)
6a-6b
Answer:

Step-by-step explanation:
Fixed monthly fee = $20
Amount charged per minute for long distance calls = $0.20
denotes total cost such that
minutes are used for long distance calls.
Amount charged for
minutes for long distance calls 
Therefore, an equation for the total cost, C, when N minutes are used for long distance calls is 
Answer:
b
Step-by-step explanation:
b