Paulo has 7 times as many pencils as Tony. Tony has 9 pencils. Enter the number of pencils Paulo has.

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

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

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?