7. write the sum of (12 + 1) - (18+51) in the form a + bi.

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?

Determine if the equation defines y as a function of x: 2xy = 1. yes o no