Determinants and inverses

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6