A retailer has an account for N20000 from a manufacturer who gives two months' credit,
but offers a cash discount of 5% for prompt
payment. The retailer borrows N20 000 from
his bank at 9% per annum for two months
and pays promptly to secure the cash
discount. How much does he gain by this
transaction?

Which graph represents the following piecewise defined function?

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?

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?