Question

please answer it its urgent

Answer 1

14)Answer is seven for the question

Answer 2

ANSWER 9
[-70+(-75)]-(-98)
= [-70-75]+98
= -145+98
= -47

ANSWER 10
Product of two integers = 176
One of the integers = -16
Let the other integer be x. 
$-16 * x = 176$
$x = \frac{176}{-16}$
$x = -11$
∴ The other integer is -11. 

ANSWER 12
Money gained = Rs. 5000
Money lost = Rs. 4820
Money left = Rs. 5000 - Rs. 4820 = Rs. 180
∴ Rs. 180 was left with the man. 

ANSWER 14
Multiplicative inverse of $-7$ is $\frac{1}{-7}$. 
Don't get confused between additive inverse and multiplicative inverse. 

Sorry, I could not answer Q11 and Q13. 

Hope this may help you.