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300 / 150 = 200 / d
30000 / 300d
d = 30000 / 300
d = 100
For 2) and 4), check the picture below
that's the "secant segments from external point" theorem... and that's just an example... so... use that for those
now, for the other two, you'd want to post them separately, one at a time, easier to track and revise
Answer:
5x+12=-14=180
Step-by-step explanation:
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I believe that 1 is the most close to it rounding it up.