Answer:

Step-by-step explanation:
we know that
To find the unit rate , divide the total frames by the total seconds
Let
x ----> the total frames displayed by the video game
y ----> the total seconds

we have

substitute the values

You can just add the terms:
<span>(-x^2+9)+(-3x^2-11x+4) = -4x</span>² - 11x + 13
Do it yourself GET OFF THIS APPPPP just kidding idk the answer
The answer to this is negative
Step-by-step explanation:
y=75+50(36 hours)=1875
give me brainliest