Find the average of 1 hour 25 minutes, 2 hours 40 minutes, 3 hours 35 minutes and 4 hours.

Write each expression in exponential form and find its value. 3 x 3 x 3

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.

Use the distributive law to multiply. 3(4x + 5y + 6)