Answer:
option C is the answer......
What is the sum of 4x^2+2x-5 and 7x^2−5x+2?
2 answers:
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<h3>Answer : 60°</h3><h3>Way to do </h3>
#look pic for detailed info
180° - 125° = 55°
180° - 115° = 65°
180° - 55° - 65° = 60°
180° - 60° = 120°
180° - 120° = 60°