Chelsea uses gold chain to make bracelets. she has three pieces of unused gold chain. the lengths of these pieces are : 11 5/8 inches, 9 3/4 inches, 10 1/2 inches . what is the average of the three pieces of chain?

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points