A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 13 ​pennies, 25 ​dimes, and 27 quarters. The rest of the coins are nickels. There are 82 coins in all. How many of the coins are not​ nickels? If n represents the number of nickels in the​ jar, what equation could you use to find​ n?

Which of the following describes the symmetry of the graph of y = x3?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.