How does the potential-energy diagram for a reaction indicate whether the reaction is endothermic or exothermic?(15 points)

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?