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which statements are true? check all that apply.
twenty-three ninth graders and fifteen eleventh graders prefer math.
fourteen eleventh graders prefer math and eight tenth graders prefer english.
thirty-five twelfth graders prefer math and nine tenth graders prefer english.
twenty-three ninth graders and thirty-five twelfth graders prefer math.
eighteen tenth graders prefer english and fourteen eleventh graders prefer math.

the answer is b and d

Step-by-step explanation:

step-by-step explanation:

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