Find the perimeter of abc wirh vertices a(0,2) b(0,5) c( -6,2)

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes