Given a circle with a radius of 6, what is the length of an arc measuring 60°?
a.) 1/2pi
b.) 2pi
c.) 3/2pi
d.) 3pi

Pls! does anybody know a shortcut for answering these types of questions in the future?

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?

How do you find principle and simple interest