Answer:
Guo Qi requires 75 days to watch videos on Khan Academy.
Step-by-step explanation:
We are given the following in the question:
Number of videos watched by Guo Qi each day = 15
Average length of each video = 8 minutes
Total minutes of video = 9000 minutes
Total number of videos to be watched =

Guo Qi needs to watch 1125 videos.
Number of days required =

Guo Qi requires 75 days to watch videos on Khan Academy.
Answer:
what? i really dont understand
Step-by-step explanation:
Slope is rise/run or y2-y1/x2-x1. So to find the slope, find two points where the point is exact, then do the equation. That's the best I can explain, sorry if this doesn't help at all.
Answer:
4x^3+x+7
Step-by-step explanation: