Solve for y .−5y−8(−7y+4)=−7−9(2−y)
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In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

Write the equation in general quadratic form: plz !