Which is the correct label for the angle?

"the angle formed by line segments bc and ba measuring 65 degrees."

a.) ∠a
b.) ∠bca
c.) ∠b
d.) ∠cba

The answer to this item is letter D. Angle CBA. Since it is formed by joining line segments BC and BA, its vertex is at B and that B should appear in the middle when the letters are arranged. It does not matter which comes first, whether A or C, so long as letter B is at the middle. 

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.