-7.1-3.2 extract the negative sign and then add the negative numbers -(7.1+3.2) your answer would be -10.3
86 and 87 utilize the Pythagorean theorem. Where those tangent lines meet the circle forms a right angle. So you have a side length of 6 and a hypotenuse of 22. So the missing side length is 21.16. For 87, its the same thing, but you have the 2 legs but are missing the hypotenuse.
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where are the steps....
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$0.05
Step-by-step explanation:
Hope it helps and have a great day =D
