Priyanka and Ethan were asked to find an explicit formula for the sequence -3,-14,-25,-36,...−3,−14,−25,−36,.. .minus, 3, comma, minus, 14, comma, minus, 25, comma, minus, 36, comma, point, point, point, where the first term should be g(1)g(1)g, left parenthesis, 1, right parenthesis. Priyanka said the formula is g(n)=-3-11ng(n)=−3−11ng, left parenthesis, n, right parenthesis, equals, minus, 3, minus, 11, n.
Ethan said the formula is g(n)=-3+11ng(n)=−3+11ng, left parenthesis, n, right parenthesis, equals, minus, 3, plus, 11, n.
Which one of them is right?

the answer is b i just did that

step-by-step explanation:

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answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq