What is the approximate perimeter of a triangle that has vertices at (−1,−9),(6,−3), and (−3,5)

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

What is the slope of the line shown below?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a