In Albany, NY, the morning temperature was -20 degrees Fahrenheit. The
high temperature for that day was 2 degrees Fahrenheit. What was the
difference between the high and low for that day?

A: -22
B: 22
C: -18
D:18

-18

Step-by-step explanation:

-20 - 2/ -20 + 2 = -18

the reason why your question keeps getting deleted because this is not a school related question : )

i will answer your question though.

i never tried church's

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this