Answer:
To know the distance between the sun and the earth you need isolate d of the equation:

and the additional information needed is the velocity of light and the time elapsed to be in the earth
2 1/3hrs→ $18.20
1 hr→ $7.80
5 1/4hrs→ $7.80x5 1/4= $40.95
Percent of decrease :
Original - New / Original
so...
80 - 52 / 80 ---->
28/80
.35 multiply by 100 to get percent
35% increase Hope I helped if you have any questions let me know! :)
Answer:
y=3x-2 is a function because it passes the vertical line test.
Step-by-step explanation: