Answer:
the first one should be -548
Step-by-step explanation:
plug in the values and you should get -30+7(-72-2).
If there are 196 refrigerators produced daily, that means that 8 are produced in an hour. subtract 8 and 3 and you get 5 refrigerators that are not defects. now multiply 5 by 24, about 120 refrigerators out of the 196 are not defects.
(－2xy＋3)(xy－1)
－2x²y²＋2xy＋3xy－3
－2x²y²＋5xy－3
Hope my answer helped u :)
Answer:
-32
Step-by-step explanation:
In the image m is changed to x.
Answer:
m=i
and m=-i
