Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-response question. there are 15 questions on the test and the students have been given 55 minutes to complete it.
which value could replace x in the table?
7 – m
23 – m
8(15 – m)
8(15) – m

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional

christopher is 272,195 year old

step-by-step explanation: