Heather is a cashier she can ring up 12 customers in 9 miniutes at this rate how many miniutes does it take her to ring up 4 customers

3 minutes

Step-by-step explanation:

think of 12 and 9 as a fraction 12/9 and then 4 and x (the number we are looking for) 4/x

12÷3=4 and 9÷3=3

so heather can ring up 4 costumers in 3 minute

hope this helped

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8  

c) the median for town a 30" is greater than the median for town b 25"

step-by-step explanation:

town a, median = q2 = 30

town b, median - q2 = 25

so the median for town a 30" is greater than the median for town b 25"