Tia has a piece of cloth that is 77 centimeters long. She cuts it into seven equal pieces. Which equation can be used to find the length of each piece, and what is the length?

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

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?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?