A coach leaves the station at 10 am and reaches gloucester station at 11.30 am. it stops here for half an hour. it then carries on for 30 minutes reaching worcester 40 km later. Create a piecewise function. pls help will chose best! thx

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.

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

With alll of except for the 2 that i did already