If angles 2 and 8 are alternate interior angles, which angle pair relationships should be used to prove lines m and n are parallel? Angles 2 and 8 are congruent as alternate interior angles.
Angles 2 and 8 are congruent as alternate interior angles.

Angles 2 and 3 form a linear pair.
Angles 2 and 3 form a linear pair.

Angles 2 and 8 form a linear pair.
Angles 2 and 8 form a linear pair.

Angles 2 and 5 are congruent as alternate interior angles.

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.