The magnitude of the vector is

the component form is
<2,5>
Step-by-step explanation:





Hope this is correct and helpful
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Answer:
12
Step-by-step explanation:
Listing the weeks he will attend each item
Class 4,8,12,16
Chess 2,4,6,8,10,12
Fencing 3,6,9,12
Starting today at week 0, he will attend all 3 again at week 12
The answer is 15/100 x 45 =6.75 minutes <span />