For the given angle 0, identify the reference angle, _
0=11pi/6 q=
Pi/6
Pi/3
2pi

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,

The answer is 90 % because since 20 multiplied by 5 is 100 you would have to do each question multiplied by 5 so 18 times 5 equals ninety percent.

given that    bisects ∠dbc, which statement must be true? the answer is:   m∠abd = m∠abc