1. Aftab tells his daughter, “Seven years ago, I was seven times as old as you were. Also, three years from now, I shall be three times as old as you will be.” Represent this situation algebraically.​

x - 7 = 7(y - 7)

x + 3 = 3(x + 3)

Step-by-step explanation:

Aftab's age = x

daughter's age = y

According to question,

x - 7 = 7(y - 7)

and,

x + 3 = 3(x + 3)

7 is the median   7.875 is the mean

step-by-step explanation:

3,4,5,6,8,11,13,13

true

step-by-step explanation:

it is more then likely a review to you prepare for an upcomign test or quiz