Write the first four terms of a geometric sequence. Using the values you have written, calculate the common ratio and write the rule for the nth term

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.

I’m stuck on this equation, anyone got the answer?

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.