All you need to do is pull out the common factor of

:
0.0307 or what are you giving us here?
Use photmath app it will help you out:)
Answer:
1+1 = 1111111111111111111111
Answer: 3/5
Step-by-step explanation:
concept to know: the slope of perpendicular line is always opposite reciprocal
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Step 1. Find the slope of line t
(y2-y1)/(x2-x1)
=(4-9)/(10-7)
=-5/3
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Step 2. Apply the concept
Opposite reciprocal of (-5/3)=3/5
Hope this helps!! :)
Please let me know if you have any question