The distance covered by the car is x² + 2x - 15 kilometers at (x - 3) hours. Find the Speed of the car. The length of a paper is 4 units longer than its width. If the Area of the paper is 77 square units, what is the measure of the length of the paper?

Helpp plss

Distance=x^2+2x-15Time=(x-3)h

Speed=Distance/Time

#2

W be xL be x+4

AtQ

Take it positive

L=x+4=7+4=11units

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

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