Ajewlery supply shop buys silver chains from a manufacturer for c dollars each, and then sells the chains at a 57% markup

11. write the markup as a decimal

12. write an expression for the retail price of a silver chain.

13. what is the retail price of a silver chain purchased for $45.00?

14. how much was added to the original price of the chain?

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 solution set for 5v2 – 125 = 0 is

How do i do this activity, is appreciated