6. Are the truss triangles ADB and BFC congruent? Which postulate did you use for your proof? Which engineer was correct?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.