Given the regular hexagon, find the measure of each numbered angle.

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

What is the area of triangle abc if a = 8, b = 11, and c = 15?

What properties allow transformation to be used as a problem solving tool