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Answer:
The value of given expression is 19.
Step-by-step explanation:
The given expression is

According to the rule of BODMAS the order of operations is Bracket, Of, Division, Multiplication, Addition and Subtraction.
First we have to simplify the value of bracket.


Therefore the value of given expression is 19.
Answer:
ASA
Step-by-step explanation:
ASA(Angle-Side-Angle) postulates states that if two angles and one included side of one triangle are congruent to the two angles and one included sides of the other triangle, then these triangles are congruent.
1/3b-1/3
factor out 1/3
1/3(b-1)
hope this helps