The slope of the line shown between the points (-8,4) and (-4,0) s equal to its slope between the points (-2,2) and (5,-9). Which of the following is true?

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

What does the sign of the slope tell you about a line?

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