John has 5,000 to invest in a saving account that has interest compounded annually. If he wants his money to double in 8 years what percent must the interest rate be on the account ?

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.

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.

The slope of the line passing through the points (2, 7) and (-4, 8) is