We use the formula where d is distance, s is speed and t is time.
Therefore, a car would tracel 480 km.
<h2>
Explanation:</h2>
We know that the slope of a line is given by:
<h2>Learn more:</h2>
Proportional relationships lines, rates of change, and slope:
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Answer:
1. (2x^2+x-1)
Step-by-step explanation:
expanding (2x^2-1)^2. multiplying (x-2) (1-2x)
= 4x^2-4x+1. = x-2x^2-2+4x
= -2x^2+5x-2
(4x^2-4x+1-2x^2+5x-2)
=2x^2+x-1
I can see the question but if you add a picture maybe i’ll understand it a little more