You invest $500 in the stock of a company. the value of the stock decreases 2 each year. how much is your stock worth after 5 years. that is growth or decay

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.

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

Plzzz answer both questions and i will give you 100 points