Question

please help me solve these
please answer in detail

4. Write five pairs of integers (a, b) such that a - b -3. One such pair is .--2)
because 6 (-2)=(-3),
5. The temperature at 12 noon was 10°C above zero. If it decreases at the rate of 2
per hour until midnight, at what time would the temperature be 8°C below zero?
What would be the temperature at midnight?
6. In a class test (43) marks are given for every correct answer and (-2) marks
are given for every incorrect answer and no masks for not attempting any
question. 6) Radhika scored 20 marks. If she has got 12 mest answers, how
many questions has she attempted incorrectly? Gi) Mohini scores-5 marks in this
test, though she has got 7 correct answers, How many questions has she
attempted incorrectly?
7. An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts
from 10 m above the ground level, how long will it take to reach - 350 m,​

Answer 1

Answer:

sry I have no answer for you r question