Shalini found the sum of the measures of the interior angles of the triangle to be 175°. she knows the sum is supposed to be 180°. what was shalini’s error?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Pls brainliest will be awarded if answer is correct

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.