Ingrid dug a trench eighteen twentieths of a meter long. the next day she dug nine twentieths of a meter more of the trench. what is a reasonable estimate of the total length of the trench?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm

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?