Date 1 Page No. e x The combine mean and variance of the salary of 250 workers of City B are 560 and 5497 rexpectively. The medn and the variance of the salary of too workers of city in die 650 and 121 respectively find the variance of the salary in city B.​

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

what statement? is there an image?

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.