Poll There is a door of 200 cm x 150 cm and two windows of
100 cm x 150 cm in a room whose length is 6 m and
breadth 4 m. If the total cost of plasting its four walls and
ceiling at Rs. 40 per m2 is Rs. 4,320, find the height of the
room.
(Ans: 4.5 m)
TT. 7m 5m 7​

Which of the following questions describes the equation g + (-4) = -5? a)what number, when added to negative four, is equal to negative five? b)what number, when added to negative five, is equal to negative four? c)what number, when subtracted from negative four, is equal to negative five? d)what number, when subtracted from negative five, is equal to negative four?