Triangle ABC has side lengths 25, 17, and 12. F is the center of the circle that goes through points A, B, and C. D is the center of the circle inscribed within triangle ABC. G and H are the midpoints of AC and BC respectively, and they concur at J. Find the perimeter and area of DJF.

the answer is (2x+8)²= 16

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

they would have to work 32 hours.

10 - 75

step-by-step explanation:

there's nothing attached so it's most likely anything in that range.