Answer:
The question is wether for the first positive value we consider (-4)×(-2) or -4×(-2)
You have to subtract the low from the high
20-(-25)
20+25
45
Answer:
Diagonal = 
The diagonal equals the square root of the width squared plus the height squared.
Step-by-step explanation:
With this equation you would then plug in the known measurements and solve it out.