The sum of two numbers is 38. the smaller number is 20 less than the larger number. what are the numbers?

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?

Which of the following statement about pascal's triangle are true?

What point is the projection of q on a) r b) s c) t