A new company selling sports equipment sold 2,835 helmets in their second year of operation this is 225% of the number of helmets they sold in there first year how many helmets did the company sell in there first year?

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

What does the relationship between the mean and median reveal about the shape of the data

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax