Answer:
Option C 
Step-by-step explanation:
Given : Astronomers measure large distances in light years. One light-year is the distance that light can travel in one year or approximately 5,880,000,000,000 miles.
Suppose a star is 14.4 light years from earth.
To find : How many miles away a star is from earth?
Solution :
In 1 light-year the distance a light can travel is = 5,880,000,000,000 miles.
or =
miles
In 14.4 lights year the distance is 

or 
Therefore, Option C is correct - 
Answer:
80%
Step-by-step explanation:
23.1/115.5=0.2
1-0.2=0.8=80%
Answer:
Step-by-step explanation:
84% of 150=126 (foreign coins)
150-126=24 (non foreign coins)
Answer:
t=4
Step-by-step explanation:
solve for t by deciding both sides by k.
then do 144/36 to get t.
Answer:
1/2 1/4 1/6 1/8 1/10 1/12 1/14 1/16 1/18 1/20 etc...
Step-by-step explanation:
add 2 to the denominator