Shana knvests some money in an account that earns 5% simple interest and three times that amount in an account that earns % simple interestIf the total interest is $390 at the end of one year the amount invested in och account

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 equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Since we have computer algebra systems that can solve polynomial division problems for us, why is it necessary to learn how to do these things by hand?