If using the method of completing the square to solve the quadratic equation x2 + 3x -17 = 0, which number would have to be added to "complete the
square"?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible