Answer:
80
Step-by-step explanation:
80 shirts on sale, some basic divisoin/ multiplication.
Ok. Could I have a picture of the question? :)
Answer:
19
Step-by-step explanation:
answer: positive
for example: -2 x -2 x -2 x-2
=4 x -2 x -2
=-8 x -2
=positive 16
The subtraction theorem states that for all real numbers,

and

,

.
(To subtract, we can add the inverse.)
Thus, we can have the these two equivalent expressions.