Malek had a summer job that pays $7.00 an hour and he worked between 15 and 35 hours every week. His weekly salary can be modele
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Vector 
. 
. So the sum is 
.
For the second, the magnitude is the square root of the sum of the squares of the components. This is equal to
.
For the second, the magnitude is the square root of the sum of the squares of the components. This is equal to