The​ "communication revolution" has given us prepaid phone calling cards. These cards are used to make​ long-distance phone calls from any phone. In a recent year the industry posted sales of ​$. Three years later the sales figure had risen to ​$. What is the increase in sales over the​ three-year period? The increase in sales is ​$ nothing.

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

What are the soultion(s) to the quadratic equation 40- x^2=0

How many glue sticks are in a basket containing 96 scissors, if the ratio of glue sticks to scissors is 19 to 57.