It is believed that 3/4 of our dreams involve people that we know. write an expression to describe the number of dreams that feature people you know if you have d dreams. now use that expression you wrote to predict the number of dreams that include people you know out of 28 dreams.

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)