HELP WILL MARK BRAINLIEST Ramona has a combination lock for her bicycle. She knows the numbers are 20, 41, and 6, but she can’t remember the order. How many different arrangements are possible

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.

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

9/10 divide by -3/15 as a mixed number