Determine which lines if any are parallel or perpendicular. Explain Line a: 2x-7y=14

Line b:y=7/2x-8

Line c: 2x+7y=-21

X+ y = 5 ; x - y =3 solve using linear combination

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose

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