You make party favors for an event. You tie 9 inches of ribbon around each party favor.
Write an expression for the number of inches of
ribbon needed for n party favors.
expression for the number of inches of ribbon

9n

Step-by-step explanation

You multiply 9 by n.

for the points

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