Which could you use to show that min? (m is parallel to n) <1 and <8 are supplementary
<3 and <7 are congruent
<4 and <8 are supplementary
<7 and <8 are congruent

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Are the corresponding angles congruent? explain why or why not.

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm