Question

Q5. What is the value of:
(-22)-[(-23)-(-17)-(-61)](-22)-[(-23)-(-17)-(-61)]?
Q6. What should be subtracted from -9876 to obtain -9512?
Q7. The temperature of a city is 4°C. Next day the temperature falls by 5°C. What
is the temperature of the city next day?
Q8. A diver descends 20 feet in the water from the boat at the surface of a lake.
He then rose 12 feet and descends another 18 feet. At this point what is his
depth in water?
Q9. Verify a-(-b) = a + b for the following values of 'a' and 'b'
a. a = 34
b=73
b. a = 45
b = 30
please help me
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Answer 1

Answer: ANS-5: -1749

ANS-6: (-9876)-(-364)=-9512

ANS-7: -1°C

ANS-8: 28 feet

ANS-9: a. 107

            b. 75

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