Ajar containing only nickels (n) and dimes (d) contains a total of 60 coins. the value of all the coins in the jar is $4.45. write and solve a system of equations to find the amount of nickels and dimes that are in the jar.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Factor the polynomial by its greatest common monomial factor.