Answer: J) 28
Step-by-step explanation: Triangle interior angles equal 180°
2. 15 Turn into decimal
2 answers:
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I don't like these computer choice thingies. It detracts from the math.
If we want to eliminate x we multiply the first equation by 5 then add it to the second:
OK, that's how it's done. Reading through the choices, that's choice D.