The key code must contain 6 numerals there are ten numerals available. using these numbers how many different key codes may be created

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.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?